When light falls on a soap bubble or on the oily film spread on a water puddle, a spectrum of colors is observed. How is this spectrum of colors formed?1) separation of white light by a prism2) absorption of colors in a pigment present3) constructive and destructive interference of light waves4) reflection of light by soap bubble or oil film

Answers

Answer 1

When the light falls on a soap bubble spread on a water puddle, and a spectrum of color is observed due to constructive and destructive of light waves which means option (3) is correct. Light waves interfere into each other to produce a spectrum which consists of bright and dark fringes.


Related Questions

We will be changing one variable at a time to see how it affects the value of the forces. Set the variables listed in the table and document the force and determine if the charges are attracted to each other or repelled.

Answers

Answer:

Explanation:

The coulombs law is expressed as

F = kq1q2/r^2

where

F is the force

k is the coulomb constant and its value is 9 x 10^9 N/m^2C^2

q1 and q2 are the magnitude of the charges

r is the distance between them

From the information given,

r = 4 cm = 4/100 = 0.04m

For trial 1,

q1 = - 2μC

q2 = 8μC

Recall,

1 μC = 1 x 10^- 9 C

q1 = - 2 x 1 x 10^- 9 C

q2 = 8 x 1 x 10^- 9 C

F = (9 x 10^9 x 2 x 1 x 10^- 9 x 8 x 1 x 10^- 9)/0.04^2

F = 9 x 10^-5 N

There is an attraction

For trial 2,

q1 = - 4μC

q2 = 8μC

q1 = - 4 x 1 x 10^- 9 C

q2 = 8 x 1 x 10^- 9 C

F = (9 x 10^9 x 4 x 1 x 10^- 9 x 8 x 1 x 10^- 9)/0.04^2

F = 1.8 x 10^-4N

There is an attraction

For trial 3,

q1 = - 6μC

q2 = 8μC

q1 = - 6 x 1 x 10^- 9 C

q2 = 8 x 1 x 10^- 9 C

F = (9 x 10^9 x 6 x 1 x 10^- 9 x 8 x 1 x 10^- 9)/0.04^2

F = 2.7 x 10^-4N

There is an attraction

For trial 4,

q1 = - 8μC

q2 = 8μC

q1 = - 8 x 1 x 10^- 9 C

q2 = 8 x 1 x 10^- 9 C

F = (9 x 10^9 x 6 x 1 x 10^- 9 x 8 x 1 x 10^- 9)/0.04^2

F = 3.6 x 10^-4N

There is an attraction

The change in the value of the charge is proportional to the force

What is the mass of an airplane accelerating at 35 m/s2 if 27,000N of force is being applied?
ill give brainleist

Answers

Answer:

771 .4  kg

Explanation:

Remember    F = ma      so     F/a = m    

m = 27000 N / 35 m/s^2 = 771 .4 kg

When solving projectile motion problems where the projectile is launched at an angle, the first step is to find the x- and y-component of the initial velocity. Why is this helpful in solving these types of problems?

Answers

The projectile motion is a 2-D motion. Therefore, if we make the component of the given velocity into x- and y-component, we can solve each component by using all 1-D motion equations. Now it will become very easy to solve projectile motion problems.

Projectile movement is a shape of movement experienced by an object or particle this is projected close to Earth's surface and moves along a curved path under the movement of gravity handiest.

Projectile movement is the movement of an item thrown (projected) into the air. After the preliminary pressure that launches the item, it best reviews the force of gravity. The object is called a projectile, and its direction is known as its trajectory.

A projectile is any object that is cast, fired, flung, heaved, hurled, pitched, tossed, or thrown. you throw the ball directly upward, or you kick a ball and provide it a pace at an attitude to the horizontal otherwise you just drop matters and lead them to lose fall; most of these are examples of projectile movement.

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What does the amount of refraction of a wave depend on?
A. change in wave speed
B. Location of normal line
C. Size of the object
D. Size of the opening between objects
plsss 15 pointsss!

Answers

A) change in wave speed

Option A is correct

C. Is correct…. A is nowhere near correct…

You have three identical, uniform, square pieces of wood, each with
side length L. You stack the three pieces of wood at the edge of
the horizontal top of a table. The first block extends a distance L/4
past the edge of the table. The next block extends a distance L/4
past the edge of the first block, so a distance L/2 past the edge of
the table. The third block extends a distance L/4 past the edge of
the block beneath it, so 3L/4 past the edge of the table. The stack
is unstable if the center of mass of the stack extends beyond the
edge of the table.

Answers

Centre of mass of the square piece at the middle of the stack is at x = 0 centre of mass of the bottom most square piece in the stack is at{ (l/4)^2 + (l/4)^2}^1/2 .

What is centre of mass and how it is calculated in the stack?Centre of mass in physics is a phenomenal discovery which states that the overall weight of the body distributed sums up to zero at the point central relative to other points.The point of centre of mass is the point where we may apply force and the linear acceleration will be on action but no angular acceleration would be seen.Here is given three identical square pieces of wood, each with length L . Now we are stacking the block three pieces at the edge of the horizontal.The centre of mass of the bottom most square piece in the stack is at {(l/4)^2 +(l/4)^2}^1/2= L/2(2)^1/2.

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if Ms. Avari is carrying a stack of books weighing 12 N up a flight of starts that is 10 meters high. How much work does Ms. Avari need to do to take the stack of books up the stairs? ( W = F x d )

Answers

F = force = 12 N

d = distance = 10 m

W= work

Apply:

W = F x d

Replacing:

W= 12 x 10 = 120 J

Find the resultant of the following vectors:
ASAPPPP

Answers

(7) The resultant vector is middle line which is the longest line representing the single effect of the two vectors at both ends.

(8) The resultant vector is any of the lines at the end of the vectors, since any of this line will effectively complete triangle formed by the vectors.

What is resultant vector?

A resultant vector is defined as a single vector that produces the same effect as the two or more vectors combined together.

A resultant vector is usually, drawn to join the head of the first vector to the tail of the second in a triangle method of vector addition.

Also, a resultant vector can be determined by applying parallelogram law of vector addition.

Mathematically, a resultant vector can be determined using this formula,

R² = a² + b² - 2ab cosθ

where;

a is the first vectorb is the second vectorθ is the angle between vector a and vector b

A resultant vector is always bigger than the two vectors acting together.

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How many measures are there until the next part enters in Kookaburra?
A. 2
B. 1
C. 3
D. 4

Answers

Option C) 3. There are about 3 measures until the next part enters in Kookaburra through the expression in Australian countryside.

What is the meaning of the Kookaburra song?

The expression probably first appeared because of how many bushes and scrub there are in the Australian countryside. Gay — Up until the middle of the 1950s, the word gay denoted happiness and carelessness.

It therefore signified “happy and carefree” during the time this song was penned.

Do kookaburras make good pets?

The state has issued them licenses and permits. For authorized and permitted educational initiatives, both kookaburras serve as educational ambassadors. Kookaburras are not recommended as pets by anyone.

They may be very unpredictable, demand a lot of space, must be maintained in a pack, are very loud, and need a special diet.

What food does a kookaburra consume?

They consume insects, beetles, worms, frogs, small animals, snakes, lizards, and lizards.

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7. Conceptual 03 04 10 pts possible Someone in a car going past you at the speed of 41 m/s drops a small rock from a height of 1.6 m. How far from the point of the drop will the rock hit the ground? The acceleration due to gravity is 9.8 m/s². Answer in units of m.​

Answers

Answer:

See below

Explanation:

Find out how long the vertical velocity and accel cause the rock to ground out....then multiply this time by the horizontal speed....then use pythag theorem for the TOTAL distance

df = do + vo t + 1/2 a t^2       df = final height = 0    do = original = 1.6 m

                                              v o = original velocity = 0    accel = - 9.81 m/s^2

0 = 1.6 + 0 + 1/2 ( - 9.8)(t^2)   shows t = .5714 seconds to hit the ground

horizontal distance = .5711 seconds * 41 m/s = 23.43 m

vertical distance = 1.6 m

TOTAL distance = sqrt (( 23.42)^2 + (1.6)^2 )  = 23.48 m  

  If questioner wants horizontal disance <=====use first answer

       if Q   wants TOTAL distance  <====== use second answer

A m= 25.7 kg object is released from rest at a distance h= 0.523059 R above the earth's surface. the acceleration of gravity is 9.8 m/s^2. for the earth, RE= 6.38 x 10^6 m, M= 5.98 x 10^24 kg. the gravitational acceleration at the surface of the earth is g =9.8 m/s^2. find the speed of the object when it strikes the earth's surface. neglect any atmospheric friction.
caution: you must take into account that the gravitational acceleration depends on distance between the object and the center of the earth. answer in units of m/s

Answers

The speed of the object when it strikes the earth's surface is 8087.45 m/s

We'll begin by obtainig the time taken for the object to strike the earth's surface. This can be obtained as follow:

Initial velocity (u) = 0 m/sRadius of earth (R) = 6.38×10⁶ mHeight (h) = 0.523059R = 0.523059 × 6.38×10⁶ = 3337116.42 mAcceleration due to gravity (g) = 9.8 m/s²Time (t) =?

h = ½gt²

3337116.42 = ½ × 9.8 × t²

3337116.42 = 4.9 × t²

Divide both side by 4.9

t² = 3337116.42 / 4.9

Take the square root of both side

t = √(3337116.42 / 4.9)

t = 825.25 s

Finally, we shall determine the speed the object used in striking the earth's surface. This can be obtained as follow:

Time (t) = 825.25 sAcceleration due to gravity (g) = 9.8 m/s²Speed (v) =?

v = gt

v = 9.8 × 825.25

v = 8087.45 m/s

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Can you help me with this question.

Answers

Given:

he initial velcicty of the runner is

[tex]v_{ir}=\text{ 0 m/s}[/tex]

The final velocity of the runner is

[tex]v_{fr}=\text{ 2.6 m/s}[/tex]

The time taken is t = 2.1 s

The initial velocity of the motorcycle is

[tex]v_{im}=\text{ 37 m/s}[/tex]

The final velocity of the motorcycle is

[tex]v_{fm}=\text{ 44 m/s}[/tex]

Required:

Acceleration of the motorcycle.

The difference in distance between runner and motorcycle.

Explanation:

cceleration of the runner is

[tex]\begin{gathered} a_r=\frac{v_{fr}-v_{ir}}{t} \\ =\frac{2.6-0}{2.1} \\ =1.238\text{ m/s}^2 \end{gathered}[/tex]

Acceleration of the motorcycle is

[tex]\begin{gathered} a_m=\frac{v_{fm}-v_{im}}{t} \\ =\frac{44-37}{2.1} \\ =3.33\text{ m/s}^2 \end{gathered}[/tex]

The distance travelled by the runner is

[tex]\begin{gathered} S_r=v_{ir}t+\frac{1}{2}a_rt^2 \\ =0\times2.1+\frac{1}{2}\times1.238\times(2.1)^2 \\ =2.73\text{ m} \end{gathered}[/tex]

The distance travelled by motorcycle is

[tex]\begin{gathered} S_m=v_{im}t+\frac{1}{2}a_mt^2 \\ =37\times2.1+\frac{1}{2}\times3.33\times(2.1)^2 \\ =77.7+7.34 \\ =85.04\text{ m} \end{gathered}[/tex]

Thus, the motorcycle travels more distance than the runner.

The

difference between the distance travelled is

[tex]\begin{gathered} \Delta S=S_m-S_r \\ =85.04-2.73 \\ =82.31\text{ m} \end{gathered}[/tex]

Final Answer:

The acceleration of the runner is 1.238 m/s^2

The acceleration of the motorcycle is 3.33 m/s^2

The difference in distance between runner and motorcycle is 82.31 m.

********
A student investigates whether a spring obeys Hooke's law
She uses the apparatus shown in the photograph
(a) Which additional measuring instrument does the student need for the investigation?
1
(b) Explain how the student can investigate whether the spring obeys Hooke's law.
(1)
(5)

Answers

The answers include the following below:

The additional measuring instrument the student needs for the investigation is a ruler or measuring tape.The student can investigate whether the spring obeys Hooke's law by adding masses to a spring and measuring the length of the spring when the weight of the masses is increased.

What is Hooke's law?

This law states that the force which is needed to extend a spring is directly proportional to the distance in which the spring is extended from its rest or initial position.

The distance gotten is measured with the use of a ruler or a measuring tape so as to obtain an accurate result during the experimental procedures. Hooke'slaw is performed by adding some masses to a spring and taking note of the effect by measuring the length of the spring when the weight of the masses is increased.

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Car A runs a red light and crashes into Car B, which is waiting to make a left turn. Car A has a mass of 2,000 kg. Car B has a mass of 1,500 kg. After the impact, the cars stick together and slide away at a speed of 9.1m/s. How fast was Car A going when it hit Car B? Show all of your work. (Law of Conservation of Momentum) ​

Answers

Answer:

The law of conservation of momentum tells us that momentum is conserved, therefore total initial momentum should be equal to total final momentum. In this case, we can expressed this mathematically as:

mA vA + mB vB = m v

where, m is the mass in kg, v is the velocity in m/s

since m is the total mass, m = mA + mB, we can write the equation as:

mA vA + mB vB = (mA + mB) v

furthermore, car B was at a stop signal therefore vB = 0, hence

mA vA + 0 = (mA + mB) v

1800 (vA) = (1800 + 1500) (7.1 m/s)

vA = 13.02 m/s

Explanation:

The diagram above shows the angle of an sentence from a light source what will be the angle of reflection?
A 1
B 2
C 3
D 4

Answers

Angle of Reflection is (b) 2.
As 3 is Angle of Incidence
4 is 90 degree - i
1 is 90 degree - r

Answer:

B 2

Explanation:

Angle of reflection is the measure of the angle taken from the normal.

Find the velocity of a 1000kg car with 50,000J of KE.

Answers

Answer:

10 m/2²

Explanation:

v=t/d

blah blah blah

Answer:

10 m/s

Explanation:

Kinetic Energy = 1/2 m v^2

KE / ( 1/2 m) = v^2

then   v =  sqrt ( KE / (1/2  m  )  = 10 m/s

A big weight *
Alice has picked up a big weight.
Her friends are talking about the forces that hold it steady.
What forces hold the big weight steady?
A It is not moving, so there are no forces.
OB The only force is gravity, pushing it onto Alice's hand.
C The only force is Alice pushing up, to hold it steady.
D Gravity pushes the weight down and Alice pushes it up.
1 point

Answers

Answer:

Gravity pushes the weight down and Alice pushes it up.

Explanation:

In this case, Gravity pushes the weight down and Alice pushes it up. The correct option is D.

The rate at which goods and services can be produced is called
a)capital investment.
b)productivity.
c)producer price output.
d)human capital.

Answers

Answer:

productivity

Explanation:

it's the efficiency of production of goods or services

Answer:

Explanation:

The rate at which goods and services can be produced is called

b) productivity.

I need help with question 5

Answers

uestion 5.

iven:

Mass, m = 25 kg

Tension = 47 N

Let's find the maximum acceleration the truck can have before the crate breaks.

Let the magnitude of the force be expressed as:

= m x a

efore the cord breaks , the maximum tension, T, in the string is:

= ma

Where:

T is the maximum tension

m is the mass

a is the maximum acceleration

ence, to findt he maximmum acceleration, rewrite the equation for a.

We have:

[tex]a=\frac{T}{m}[/tex]

Now, input 47N for T and 25 kg for m to solve for a:

[tex]\begin{gathered} a=\frac{47\text{ N}}{25\operatorname{kg}} \\ \\ a=1.88m/s^2 \end{gathered}[/tex]

herrefore, the maximum acceleration of the truck before the cord breakes is 1.88 m/s²

Gravity causes a ball to fall is an example of which Newton law?

Answers

An object in free fall accelerates as it falls because gravity acts as an unbalanced force and causes the object to accelerate. Newton's second law explains why objects fall to Earth with the same acceleration.

Answer:

Newton's 2nd Law

Explanation:

First law concerns balanced forces, which result in either static equilibrium or dynamic equilibrium, where there is no acceleration. Gravity causes the ball to accelerate so it can't be the first law.

Second Law deals with unbalanced forces (F=ma).

Third law relates to "action-reaction" which is unrelated to the scenario.

module 2 question 17

Figure 4.25

(a) What is the mass of the child and basket if a scale reading of 100 N is observed?
kg
(b) What is the tension T in the cord attaching the child to the scale?
N
(c) What is the tension T' in the cord attaching the scale to the ceiling, if the scale has a mass of 0.300 kg?
N
(d) Draw a sketch of the situation indicating the system of interest used to solve each part. The masses of the cords are negligible. (Do this on paper. Your instructor may ask you to turn in this work.)

Answers

a ) The mass of the child and basket = 5.61 kg

b ) The tension T in the cord attaching the child to the scale = 55 N

c ) The tension T' in the cord attaching the scale to the ceiling = 57.94 N

a ) The mass of the child and basket,

[tex]W_{b}[/tex] = 55 N

g = 9.8 m / s²

W = m g

[tex]m_{b}[/tex] = [tex]W_{b}[/tex]  / g

[tex]m_{b}[/tex] = 55 / 9.8

[tex]m_{b}[/tex] = 5.61 kg

b ) In the cord attaching the child to the scale,

∑ [tex]F_{y}[/tex] = 0

T - W = 0

T = W

T = 55 N

c ) In the cord attaching the scale to the ceiling,

[tex]m_{s}[/tex] = 0.3 kg

[tex]W_{s}[/tex] = [tex]m_{s}[/tex] * g

[tex]W_{s}[/tex] = 0.3 * 9.8

[tex]W_{s}[/tex] = 2.94 kg

∑ [tex]F_{y}[/tex] = 0

T - [tex]W_{s}[/tex] - [tex]W_{b}[/tex] = 0

T = 2.94 + 55

T = 57.94 N

Therefore,

a ) The mass of the child and basket = 5.61 kg

b ) The tension T in the cord attaching the child to the scale = 55 N

c ) The tension T' in the cord attaching the scale to the ceiling = 57.94 N

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Erica throws a tennis ball against a wall, and it bounces back. Which force is responsible for sending the ball back to Erica.

Answers

Answer:

The frictional force between the wall and the ball

7. The initial temperature of a jar of a juice is 80°C and the mass of the juice is 2kg. Susan adds ice cubes into jar in order to cool down the juice to 20°C. What is the minimum number of ice cubes at 0°C required? (Neglect the heat capacity of the jar and assume there is no heat exchange with the surrounding.) Given: Mass of each ice cube = 0.15Kg Specific heat capacity of juice = 4700 J kg¹ °C¹ Specific heat capacity of water = 4200 J kg-¹ °C-¹ Specific heat capacity of fusion of ice = 3.34 x 105 J kg E A. 9 B. 10 C. 11 D. 12 ​

Answers

The minimum number of ice cubes at 0°C required to cool down the juice is 11 ice cubes (Option C)

We'll begin by obtainig the heat released by the juice. This can be obtained by

Initial temperature (T₁) = 80 °CFinal temperature (T₂) = 20 °CMass of juice (M) = 2KgChange in temperature (ΔT) = 20 - 80 = -60 °CSpecific heat capacity of juice (C) = 4700 J/KgºC Heat released (Q) =?

Q = MCΔT

Q = 2 × 4700 × -60

Q = -564000 J

Next, we shall determin the mass of the total ice. This can be obtained as follow:

Heat capacity of fusion of ice (ΔHf) = 3.34×10⁵ J/kgHeat released = -564000 JHeat absorbed (Q) = 564000 JTotal mass of ice (M) = ?

Q = m × ΔHf

564000 = m × 3.34×10⁵

Divide both sides by 3.34×10⁵

m = 564000 / 3.34×10⁵

m = 1.69 Kg

Finally, we shall determine the number of ice cubes. This can be stained as follow:

Total mass of cube = 1.69 KgMass of one cube = 0.15 KgNumber of ice =?

Number of ice = total mass / mass of one cube

Number of ice = 1.69 / 0.15

Number of ice = 11 ice cubes

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Explain why six accumulators each of elctromotive foce two volts connect in series can be used to start the engine of a car where as eight dry cell each of electromotive force 1.5v connected in series cannot be used​

Answers

Electromotive force is the electrical activity produced by a non-electrical source and is measured in volts.. Electrical transducers, which include batteries and generators, transform other forms of energy into electrical energy to produce an emf.

Due to the high internal resistance of the 8-dry cells compared to the low internal resistance of the accumulators, the current generated by the dry cells is too low compared to the current generated by the accumulators. The accumulators will generate the bigger currents required to start the engine because the dry cells' internal resistance is far higher than that of the accumulators. NB. Generally speaking, accumulators have low internal resistance. mostly because the acid therein is a superb conductor.

The effort done by the battery to transform the chemical energy of the cell into electrical energy is what creates the voltage that the electromotive force (e.m.f.) of a battery correlates to (the current in the circuit).

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Gravity is a theory because it is

Answers

ANSWER:

Gravity is a theory in that it is a comprehensive explanation of a natural phenomenon that has been tested in a variety of ways.

air around us exerts ____________​

Answers

answer: it’s pressure

Determine the velocity of car A with respect to car B. Responses

A 20, km/hr

B -20, km/hr

C 80, km/hr

D -80 km/hr

Answers

A. The velocity of car A with respect to car B is 20 km/h

What is relative velocity?

The velocity of an object A relative to another object B is the velocity that object A would appear to have to an observer moving with B.

The velocity of car A with respect to car B is calculated as follows;

Va/b = Va - Vb

where;

Va/b is the velocity of car A with respect to car BVa is the velocity of car AVb is the velocity of car B

Substitute the given parameters and solve for the  the velocity of car A with respect to car B.

Va/b = 50 km/h - 30 km/h

Va/b = 20 km/h

Thus, we can conclude that the velocity of car A with respect to car B will appear to decrease since they are moving in the same direction.

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Pls explain ........................

Answers

Option A that is 8.6 x 10^4 volt is the potential difference between a point 0.79 mm from a charge of 7.6nC and a point of infinity.

What is potential difference how it is calculated out to be so?Potential difference can be stated as the difference of electrical potential between two points stated.Here in this question is given the charge 7.6 nC that is 7.6 x 10^-9 and the radius 0.79 mm that is 0.79 x 10^-3 m.Here the potential difference can be calculated out to be by the equation V = k x Q /R , where k is proportionality constant given in equation.V= 8.99 x 10^9 x 7.6x 10^-9 / 0.79 x 10^-3 , putting all the values in the equation.Finally the potential difference is calculate out to be 8.65 x 10^4 volts.

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Philippe, Maurice’s draft horse, is pulling his 6000N cart using a 745N force on a bridle that is at a 15o angle. If the friction force on the cart is 100N, how long will it take Philippe to go 1000m?

Answers

The time taken for Philippe to go 1000 m is 44.5 s.

What is the net force on cart?

The net force on the cart is calculated as follows;

F(net) = F - Ff

where;

F is the applied forceFf is the frictional force

F(net) = 745 cos(15)  -  100

F(net) = 619.6 N

The mass of the cart is calculated as follows;

W = mg

m = W/g

m = (6000) / (9.8)

m = 612.24 kg

The acceleration of the cart is calculated as follows;

a = F(net) / m

a = (619.6) / (612.24)

a = 1.01 m/s²

The time taken for Philippe to go 1000 m is calculated as follows;

s = vt + ¹/₂at²

s = 0 + ¹/₂at²

2s = at²

t² = 2s/a

t = √(2s/a)

t = √(2 x 1000 / 1.01)

t = 44.5 seconds

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4. What is stellar parallax?

Answers

Answer:

I don't k own what it is dad fjf f fjff

Answer:

Explanation:

Stellar parallax is the apparent shift of position of any nearby star against the background of distant objects

Using energy considerations, calculate the average force (in N) a 70.0 kg sprinter exerts backward on the track to accelerate from 2.00 to 8.00 m/s in a distance of 25.0 m, if he encounters a headwind that exerts an average force of 30.0 N against him.

Answers

The average force a 70.0 kg sprinter exerts backward on the track is 84 N.

What is law of conservation of energy?

The law of conservation of energy states that energy can neither be created nor destroyed but can be converted from one form to another.

E = Fd

where;

F is the applied forced is the displacement of the object

The average force exerted by the sprinter is calculated as follows;

F = ma

where;

a is the acceleration of the sprinterm is mass of the sprinter

The acceleration of the sprinter is calculated as follows;

v² = u² + 2as

where;

v is the final velocityu is the initial velocitys is the distance

(8)² = (2)² + (2x25)a

64 = 4 + 50a

60 = 50a

a = 60/50

a = 1.2 m/s²

Average force exerted by the sprinter;

F = ma

F = 70 kg x 1.2 m/s²

F = 84 N

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What is desertification?Question 4 options:Formation of a desert.Process of fertile land becoming unproductive in nearly dry areas.Mass movement of sand dunes.Areas of heavy rain, covered with sand. Please help me. I WILL give brainliest.Edit: I completed the top 3 I just need help on the boxes. how does diffusion help a cell maintain homeostasis? responses:A. it helps the cell expel excess waste.B. it lets the cell know when it needs to produce more energy. C. it helps the cell obtain and break down food for energy.D. it helps maintain an equilibrium of particles inside and outside a cell. a torpedo fired from a submerged submarine is propelled through the water eit ha speed of 20.00m/s and explodes upon impact with a target 2000.0m away. if the sound of the impact in heard 101.4s after the torpedo was fired, what is the speed of sound in water what are the three main polysaccharides? Provide a description of the structure and function for each. Solve: 3(x+4)= 3x+12Ox=0Ox=4Oall real numbersOno solution Which example best represents the use of optical illusions in Greek andGreek-inspired American architecture?O columns that are thinner at the bottomO reliefs with cleverly hidden messagesO columns with intricately designed capitalsO columns that are thicker at the bottom What is the most likely reason the author tells her memoir in verse, not prose?A To reflect the way people often recall memoriesB To describe several events from her childhoodTo tell about the events of her life in orderD To emphasize the setting and characters how could i complete this. In Ishwaris children the imagery given in the sentence The stark whiteness was everywhere, everything around me seemed to glow To make bread, 2 teaspoons of yeast are needed for 500 grams of flour. How many teaspoons of yeast are needed for 750 grams of flour? 3) A clock is set correctly at 1pm. If it loses 3 minutes every hour, what will the clock showwhen the correct time is 10 am the next day? What goal motivated Henry Flagler to build the Florida East Coast Railway? Two shops rent pairs of skis for a rental fee plus a fee per hour. Write and solve an equation tofind how many hours must a pair of skis be rented for the total costs to be the same?Shop A Equation:Shop B Equation:Solution:Rental FeeHourly FeeShop A$3$9Shop B$9$6 Assume the average test score from the last year's class was 85 points with a standard deviation of 9. By sketching a normal curve, which value below is the best estimate for the proportion of students earned a 70 points or higher? Due to differences in mating times, two sub-populations of frogs form into separate species, even though they occupy the same pond. This overall process is known as ________. how many solution does 3(2x+1)=2(2x+1) have I need to write a 4th paragraph about Ancient India and China. It's for a portfolio, and I don't know where to start. quizlet a furniture seller believes that people who have just moved are more likely to need new furniture. what targeting dimension should this furniture seller use for their ad campaign? what are transverse streams? group of answer choices streams that cut across uplifted structures such as anticlines. all of the other answers are correct, and thus this is the best answer. streams that flow down the middle of synclines. Laqueta has a $50 gift card for an online music store. Each song costs ss dollars. Write an algebraic expression that represents the amount left on her card after Laqueta buys 7 songs. How much money will be left on her card if each song costs $1.25?