How do you think the ball in pinball will travel? draw a line to trace the path the ball will take after it is launched

Answer:

C Thy make the force exert all at once

The natural frequency of this dowel rod is determined as 0.5 Hz.

The frequency of an object is the number of complete revolutions per second.

F = n/t

where;

F = 1/2

F = 0.5 Hz

Thus, the natural frequency of this dowel rod is determined as 0.5 Hz.

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Explanation:

Average speed=distance/time

=20/40

=0.5m/s

Graphs A, B, C, and D match the numbers 3,4,1, and 2 respectively.

Distance is a numerical representation of the distance between two objects or locations.

The distance can refer to a physical length or an estimate based on other factors in physics or common use. |AB| is a symbol for the distance between two points A and B.

Graph C shows a person leaving home and traveling at a constant speed.

Graph D shows a person leaving home, traveling at a constant speed, stopping for a short time and then returning home.

Graph A shows a person leaving home, traveling to their destination, and immediately returning.

Graph B shows a person leaving home, traveling at a constant speed, stopping for some time, and then continuing the journey away from home.

Hence, the numbers 3, 4, 1, and 2 are matched by graphs A, B, C, and D, respectively.

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Closed environment refers to the limited air transfer that takes place once the station has been launched.

This is an environment which has little or no interference with the atmosphere.

Launching of station in a closed environment will help prevent damages done as a result of exposure to radiations etc.

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The halter add the distance to the jump in meters is 0.55 m.

When an object is thrown at an angle from the horizontal direction, the object is said to be in projectile motion. The object which follows the projectile motion is called the projectile.

The magnitude of velocity u =10.3 m/s, angle of jumping θ = 22.8 degrees.

Components of velocity in x and y direction are

Vx = 10.3 cos 22.8 = 9.5 m/s

Vy = 10.3 sin 22.8 = 4 m/s

Maximum Range of athlete achieved using halter is given by

R = u²sin2θ /g

where, u = initial velocity, θ is the angle of projection and g is the gravitational acceleration.

Substituting the values, we get

R = (10.3)² sin(2 x 22.8 °) / 2 x 9.81

R = 7.75m

At the peak of jump you throw two 5.5 kg masses horizontally behind you such that their velocity is zero in the ground's reference frame.

The momentum is conserved in this situation,

(M+2m)Vxo =MVx'

Vx' = (M+2m)/M x Vxo'

Change in x component of velocity ΔVx = Vx' -Vxo

Vxo = 2m/M x Vx

Vxo = 2 x 5.5 /78 x 9.5

Vxo = 1.34 s

Maximum height gained when final velocity is zero

Vy = 0 = Vyo -gt

time t = Vyo/g = 4/9.8 = 0.41s'

Increase in range by using of halters is

ΔR = ΔVx' x t

ΔR = 1.34 x 0.41

ΔR =0.55m

Thus, the halter add the distance to the jump in meters is 0.55 m.

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The relationship between work and energy is that work can transfer energy between objects and cause a change in the form of energy.

Energy is simply defined as the ability to do work.

Energy possessed by any object or matter enables it to do work of various forms.

Energy can be transferred from one object to another. Also, energy can be transformed into various forms.

Therefore, the relationship between work and energy is that work can transfer energy between objects and cause a change in the form of energy.

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Answer:

Explanation:

the action or fact of showing an abstract idea.

(◑.◑)!

Manifestation (or manifesting) refers to

various pseudoscientific self-help

strategies intended to burning about

a personal goal, primary by focusing

one's thought upon the desired outcome.

The techniques are based on the law

of attraction of New Thought spiritually.

While the process involves positive

thinking, or even directing request to

"the universe", it also involves

action-steps on the part of the individual.

Manifestation has been criticised as

having no basis in physical science.

Alison Bernstein, a professor of

translational neuroscience at Michigan

State University said in an interview

with Vice that "You can't magically

make things happen. You can [However]

change the way you react to certain

situations, which sounds to me like

Cognitive Behavioral Therapy". She

want no to assert that "manifestation

is not supported by science.

Olivia is on a swing at the playground. The kinetic energy is increasing and her potential energy decreasing at point X.

The kinetic energy of an object is the ability to do work by virtue of its motion and potential energy is the ability to do work by virtue of its position.

At point W and Z, Olivia is at the maximum displacement from the mean position, where kinetic energy is zero and potential energy is maximum.

At point Y, it is approaching to increase its potential energy and decreasing kinetic energy. Opposite to this, at point X, kinetic energy is increasing and potential energy is decreasing.

Thus, the kinetic energy is increasing and her potential energy decreasing at point X.

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Answer:

X

Explanation:

Use lens formula

The focal length of the lens is 5.8 cm.

To find the focal length, the given values are:

Image distance - 10 cm

Object distance - 14 cm

      The distance between the convex lens or a concave mirror and the focal point of a lens or mirror is called the focal length. This is the parallel line which meet at the distance from the lens or mirror.

                1/Focal length = 1/Image distance + 1/Object distance ( cm )

                                    1/f = 1/v-1/u

                                    1/f = 1/-10-1/14

                                    1/f = -7-5/70

                                    1/f = -12/70

                                      f = 70/-12

                                      f = -5.8cm

The focal length of the lens is - 5.8 cm.

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Answer:

In the core of the Sun hydrogen is being converted into helium. This is called nuclear fusion. It takes four hydrogen atoms to fuse into each helium atom. During the process some of the mass is converted into energy.

Answer:

Hydrogen in the middle of the sun is being converted into helium. This helium that was just converted from hydrogen (air as we know it) is now called Nuclear Fusion.

Explanation:

The velocity of the block leaving the spring is determined as 18.26 m/s.

The velocity of the block leaving the spring is calculated from the principle of conservation of energy.

K.E = Ux

¹/₂mv² = ¹/₂kx²

v² = kx²/m

v² = (500 x 2²)/6

v² = 333.33

v = √333.33

v = 18.26 m/s

Thus, the velocity of the block leaving the spring is determined as 18.26 m/s.

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Explanation:

Total displacement = 200 km

Total time taken = 2 hour...

Now...

[tex]average \: velocity \: = \frac{total \: displacement}{total \: time \: taken \: } \\ [/tex]

[tex] = \frac{200}{2} \\ [/tex]

= 100 kilometers/hour south

1 kg = 9.81N

8300 kg x 9.81 = 81,423N

81,423 / 7000 = 11.63 tires.

The least amount of tires would be 12

The diagram is labelled to DRAW the RESULTANT wave and LABEL the areas of interference with CI, DI and/or points of TDI.

When a light ray falls on the interface of two medium like air and water, then the portion of light is reflected and another portion of the light is refracted into the water medium. The angle of incidence is equal to the angle of reflection but the angle of incidence is larger then the angle of refraction.

Open the attached file. It shows 2 waves (a blue one and an orange one) that are moving through the same medium at the same time.

Thus, the diagram is labelled.

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Answer:

scientific inquiry.

Explanation:

scientific inquiry. Scientific inquiry encompasses the many methods through which scientists investigate the nature of reality and provide interpretations based on the data gathered.

One come in direct contact with micro, radio, radar, infrared and visible waves.

The electromagnetic spectrum consists of the range of all types of EM radiation. Radiation is packet of energy that travels and spreads out. It has radio waves, infrared waves and visible light waves, ultraviolet rays and microwaves.

They possess high energy even to penetrate deep within the material. electromagnetic spectrum has longer wavelength and less frequency.

Everyday life is completed by artificially made electromagnetic radiation:

Thus, we come in direct contact of the waves in electromagnetic spectrum.

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Answer:

Radio waves

Explanation:

I hope it helps u dear^_^

[tex] \huge \tt \color{pink}{A}\color{blue}{n}\color{red}{s}\color{green}{w}\color{grey}{e}\color{purple}{r }[/tex]

▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂

[tex]\large\underline{ \boxed{ \sf{✰\:Radio\:waves }}}[/tex]

▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂

The electromagnetic waves with the longest wavelength are radio waves .

========================

Hope it helps!

Answer:

the heavier the load in a cart ,the harder the cart is to turn

Answer:

C. The Heavier the load the harder the cart is 2 turn

i <3 summerschool

Answer:

a=1.94 ms−2. is acceleration of the train

Newton's motion laws state that if an object is at rest or in movement, it will tend to maintain its basal state.

Newton's motion laws are a set of scientific statements aimed at explaining the physical property of movement.

These laws explain why objects in movement tend to maintain the same velocity for a short period of time.

In conclusion, Newton's motion laws state that if an object is at rest or in movement, it will tend to maintain its basal state.

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The value of a is 5, the value of b is 5/2 if the triangle is a right angle triangle option (B) is correct.

The trigonometric ratio is defined as the ratio of the pair of a right-angled triangle.

From the tan ratios:

[tex]\rm tan30 = \dfrac{b}{\dfrac{5\sqrt{3}}{2} }[/tex]

[tex]\rm \dfrac{1}{\sqrt{3} } = \dfrac{b}{\dfrac{5\sqrt{3}}{2} }[/tex]

b = 5/2

From the cos ratio:

[tex]\rm cos30 = \dfrac {\dfrac{5\sqrt{3}}{2}}{a}[/tex]

[tex]\rm \dfrac{\sqrt{3}}{2}= \dfrac {\dfrac{5\sqrt{3}}{2}}{a}[/tex]

a = 5

Thus, the value of a is 5, the value of b is 5/2 if the triangle is a right angle triangle option (B) is correct.

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Hello!

We can use the following equation for calculating power dissipated by a resistor:
[tex]P = i^2R[/tex]

P = Power (? W)
i = Current through resistor (2.0 A)
R = Resistance of resistor (50Ω)

Plug in the known values and solve.

[tex]P = (2.0^2)(50) = \boxed{\text{ B. }200 W}[/tex]

The minimum initial velocity that the ball must have for it to reach the top of the hill is 21 m/s. The correct option is D.

The mechanical energy is the sum of kinetic energy and the potential energy of an object at any instant of time.

M.E = KE +PE

A boy is trying to roll a bowling ball up a hill. The friction is ignored.  The ball must have to reach the top of the hill with a velocity. The acceleration due to gravity, g = 9.8 m/s²

The conservation of energy principle states that total mechanical energy remains conserved in all situations where there is no external force acting on the system.

M.E bottom of hill = M.E on top of hill

Kinetic energy + Potential energy = Kinetic energy  + Potential energy

1/2 mu² + 0 =  0 + mgh

At the top of hill, the velocity will become zero. So, final kinetic energy is zero.

Substituting the values, we have

1/2 x u² = 9.8 x 22.5

u = sqrt [2 x9.8 x 22.5 ]

u= 21 m/s

Thus, the minimum initial velocity that the ball must have for it to reach the top of the hill is 21 m/s.

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The value of the c will be (0 i+0 j+0 k). c is a vector that is along the positive x-axis and has the condition a(b+c)=0.

A vector is a quantity or phenomena with magnitude and direction that are independent of one another. The phrase also refers to a quantity's mathematical or geometrical representation.

Given ;

a=3i-2j+k

b=-i-4j+3k

Given property:

a(b+c)=0

-i-4j+3k ((-i-4j+3k)+c)=0

(3+8+3)(-i-4j+3k)c=0

14(-i-4j+3k)c=0

c=0 i+0 j+0 k

Hence, the value of the c will be (0 i+0 j+0 k).

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Answer:

third

Explanation:

for every action there is an equal and opposite reaction

example

bouncing ball

ball receives a force from the ground due to collision

that same force causes the ball to bounce off the ground

first law:

inertia

example

stuff in space doesn't move unless its pushed

then it keeps going unless something stops it

second law

force = mass times acceleration

example

harder you push a cart the faster it goes

the less a cart weighs the faster a cart goes

studysmarterus

spacecenterorg

energywavetheory

Answer:

Constant positive acceleration

Explanation: