Answer:
240
Explanation:
what is the relationship between electric field lines and equipotential surfaces?
1. A sailboat accelerates uniformly from 3.0 m/s to 12.0 m/s at a rate of 1.5 m/s2. What distance does the boat travel?
Answer:
45 m
Explanation:
Use the equations of motion.
We know that:
S= the unknown
U=3 m/s
V=12 m/s
A=1.5 m/s
T= we won't need it
The equation used: [tex]v^2=u^2+2as[/tex]
Subsitute the values: [tex]12^2=3^2+2*1.5*s\\[/tex]
Solve the equation:
[tex]144=9+3s[/tex]
[tex]135=3s[/tex]
[tex]s=45 m[/tex]
Una vasca da bagno contiene 1,2 metri cubi di acqua a 35 gradi .Quanti kilogrammi di acqua contiene?
Answer:
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Which can lead scientists to change a theory that has already been accepted? Check all that apply.
changes to scientific laws
new experimental methods
new hypotheses
technological inventions
repetitions of old experiments
Answer:
B, C, and D
Explanation:
NEED HELP!!!! 11 POINTS!!!!
Alonzo wants to be a computer programmer, and he spends a lot of time sitting in front of a screen. Physical agility will not be a big part of his job. Does he need to worry about building muscle strength?
A.
No, he will not have an active lifestyle.
B.
Yes, he never knows when he might want to change careers.
C.
Yes, he really needs to focus on it since his career is not active.
D.
No, since he does not need to be strong, there is not much point.
PLEASE NO LINKS
Answer:
c
Explanation:
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How do interest groups and PACs keep us from
our democratic principles? How do they defeat democracy? Look at picture for the question please
Answer:
Interest groups help democracy because they represent the interests of such large numbers of people and encourage political participation by many groups. The stable, cooperative relationship often develops among a congressional committee, an administrative agency, and one or more supportive interest groups.
Interest groups try to influence the government to adopt legislation that would benefit them. Email, letter, faxes, phone calls, providing research and information (to bring about change by proving your cause with facts by funded research).
consider the collision between a car and a light truck whose weights are equal (M = m). If they are moving at the same speed when they collide, compare the size (or magnitude) of the forces between the car and the truck. Friction is so small that it can be ignored
The truck applies the same force to the car that the car applies to the truck. The truck applies the same force to the car that the car applies to the truck. According to Newton's third law, action and reaction have the same magnitude and move in the opposite direction.
What is force?Force is an external agent that can change the state of rest or motion of a body. It has a magnitude as well as a direction.
The direction of the force is the point where force is applied, and the application of force is the point where force is applied.
The concept of force is commonly explained in terms of Isaac Newton's three laws of motion, which are laid out in his Principia Mathematica.
The truck exerts the very same force on the car as the car exerts on the truck. The truck exerts this very same force on the car as the car exerts on the truck.
Action and reaction have the same amplitude and move in the opposite direction, according to Newton's third law.
Thus, this can be the comparison in the given scenario.
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Your question seems incomplete, the complete question is:
Consider the collision between a car and a
light truck whose weights are equal (M = m). If they are moving at the same speed when they collide, compare the size (or magnitude) of the forces between the car and the truck. Friction is so small that it can be ignored.
Compare the forces if the light truck is standing
still when the car hits it.
I need help please...
Answer:
the order is written in the attached image
Explanation:
a bicyclist travels with an average velocity of 15km/h north, for 20 minutes .what is his displacement ?
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Displacement is equal to ~
[tex]5 \: \: km[/tex]See the attachment for solution ~
Answer:
It is 24000meter per second
the motion of the book as you lift it from the table and place it on the shelf
Answer:
what are you trying to do for this question
Explanation:
Urgent need help 100 points
Suppose that scientists observe violent gas eruptions on a planet with an acceleration due to gravity of 3.6 m/s2.
The jets throw sand and dust about 75 m
above the surface.
What is the speed i
of the material just as it leaves the surface?
Scientists estimate that the jets originate as high‑pressure gas speeds through vents just below ground at about 150 km/h.
How much energy per kilogram of material does the jet lose to nonconservative forces as the high‑speed matter forces its way to the surface and into the air?
Answer: The velocity with which the sand throw is 24.2 m/s.
Explanation:
Explanation:
acceleration due to gravity, a = 3.9 m/s2
height, h = 75 m
final velocity, v = 0
Let the initial velocity at the time of throw is u.
Use third equation of motion
The velocity with which the sand throw is 24.2 m/s.
Wile E. Coyote is holding a "HEAVY DUTY ACME™ ANVIL" on a cliff that is 40.0 meters high. The Roadrunner (beep-beep), who is 1.0 meter tall, is running on a road toward the cliff at a constant velocity of 10.0 m/s. Wile E. Coyote wants to drop the anvil on the Roadrunner's head. How far away should the Roadrunner be when Wile E. drops the anvil?
Answer:
53.8
Explanation: I plugged it on the formula
Coyote should drop the anvil when the Roadrunner is 20.3 meters away from the cliff.
What is velocity?The velocity of the object is defined as the fraction of the displacement of the object over a period of time.
We can solve this problem by finding the time it takes for the anvil to fall from the cliff to the ground, and then using that time to find how far the Roadrunner has travelled during that time.
First, we need to find the time it takes for the anvil to fall from the cliff. We can use the equation:
d = 1/2 x g x t²
where d is the distance (40.0 meters), g is the acceleration due to gravity (9.81 m/s^2), and t is the time.
Solving for t, we get:
t = √(2d/g)
t = √(2 x 40.0/9.81)
t = 2.03 seconds
So it takes 2.03 seconds for the anvil to fall from the cliff to the ground.
During this time, the Roadrunner has travelled a distance equal to its velocity multiplied by the time:
distance = velocity x time
distance = 10.0 m/s x 2.03 s
distance = 20.3 meters
Therefore, Wile E. Coyote should drop the anvil when the Roadrunner is 20.3 meters away from the cliff.
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A pressure of 0.01 N/cm squared is produced when a book with an area of 300cm squared is place on a table what is the weight of the book
Answer:
Pressure =Area × height
0.01N/cm=300cm×height
height=0.01×300
3cm
The weight of the book is equal to 3N.
What is Pressure?Pressure can be described as the ratio of the force exerted to the surface area over which the force is exerted. We can define pressure as the force applied perpendicular to the surface per unit area over which that applied force is distributed.
The SI unit of pressure can be represented as the pascal (Pa). A pascal is the force of one newton (N) exerted over a surface area of 1 m². Since the pressure is dependent on the area so the pressure can be increased and decreased without changing the force.
Given, the pressure on the book, P = 0.01 N/cm²
The area of the book, A = 300 cm²
Pressure = Force/ Area
Force = Pressure ×Area
Force = 0.01 × 300 = 3 N
Weight of the book, W = mg = 3 N
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an object applies force of 500n on the area if 10m². find the force exerted
Exerted force is called Pressure.
From,
Pressure = Force/Area
P = 500N/10m²
P = 50N/m²
The force exerted is 50N/m²
A drag racer starts at rest and reaches a speed of 386.0 km/h with an average acceleration of 16.5 m/s2. How long does this acceleration take?
Answer:
about 16.5 by-
wait DO UR OWN MATH lol
Explanation:
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notes of diffusion
What is frequency measured in? What is the amplitude?
Answer:
The units of frequency are hertz. As 1 hertz is equal to one cycle per second.
Amplitude is the maximum displacement of the waves or the distance from rest to crest and is measured in meters or centimeters or millimeters.
write two examples of machine which changes the direction of force
Answer:
Washign machine and swingset
Explanation:
PLEASE I NEED HELP 35 POINTS PLSSSS
Answer:
i think the products have four hydrogen atoms and two oxygen atoms and the reactants have the same atoms in two molecules of h2o
Which statement best describes the main idea of the poem
Two roads diverged in a yellow wood, And sorry I could not travel both And be one traveler, long I stood And looked down one as far as I could To where it bent in the undergrowth; Then took the other, as just as fair, And having perhaps the better claim, Because it was grassy and wanted wear; Though as for that the passing there Had worn them really about the same, And both that morning equally lay In leaves no step had trodden black. Oh, I kept the first for another day! Yet knowing how way leads on to way, I doubted if I should ever come back. I shall be telling this with a sigh Somewhere ages and ages hence: Two roads diverged in a wood, and I— I took the one less traveled by, And that has made all the difference.
A. The speaker informs the reader about two roads.
B. The speaker expresses his feelings about nature.
C. The speaker describes his unfulfilled dreams and wishes.
D The speaker explains a difficult decision he had to make.
Explanation:
option D ) is correct the speaker explain a difficult decision he had to make
hi everyone comment
what is the physical property of a star used to classify the stars by spectral type?
Answer:
Stellar Spectra Classification The patterns of lines detected in stellar spectra are used by astronomers to classify stars into spectral classes. These spectral classes are a measure of a star's surface temperature since the temperature of a star dictates which absorption lines are present in its spectrum.
Explanation:
what can be respresented by a force arrow weight or mass
Answer:
Force arrows are used to represent both the magnitude and direction of forces. The length of the arrow corresponds to the magnitude of the force, with longer arrows indicating forces with larger magnitudes. The direction of the arrow corresponds to the actual direction that the force is being exerted. Force arrows are used by scientists and engineers to predict the motion of an object based on the forces that are applied to it.
Let's go back to Amil and his box for a moment. To represent the force that he is exerting on the box, we can draw the box and then show the force using a force arrow, like this:
Explanation:
How would our force arrow change if he pushed the box with twice as much force? Because the magnitude of the force is doubled, the length of the force arrow should also be doubled.
Now, what if he didn't push directly to the right, but instead his arms made a 30-degree angle with the ground? In that case, the direction of the force arrow needs to change to show the direction in which the force is applied.
a particle traveling around a circle at constant speed will not experience an acceleration.
What information is given by the formula H2O2?
Answer:
it is hydrogen peroxide
13 Henry Wadsworth Longfellow, John Greenleaf Whittier, Oliver Wendell Holmes, and James Russel Lowell were known as
Answer:
William Cullen Bryant, Henry Wadsworth Longfellow, John Greenleaf Whittier, Oliver Wendell Holmes, and James Russell Lowell. These five men made up a group of poets known as the Fireside Poets or the Schoolroom Poets.They were hugely popular in the second half of the 19th century, like the pop stars of their time.
Explanation:
hope this helps if not let me know
differentiate between transverse and longitudinal waves. Give one example for each.
Answer:
transverse waves are always characterized by particle motion being perpendicular to wave motion. a longitutal wave is a wave in chich particles of the medium move pin a direction parallel to the direction that the wave moves
In contrast, the displacement of particles in the transverse wave is perpendicular to the direction the wave is travelling.
...
Difference between Longitudinal and Transverse Wave.
Parameter Longitudinal wave Transverse wave
Example An example of a longitudinal wave is the earthquake P wave An example of a transverse wave is the earthquake S wave
how often do industrial oxygen cylinders need to be tested
Answer:
5 years[tex][/tex]
When does the object have potential energy?
Answer:
To summarize, potential energy is the energy that is stored in an object due to its position relative to some zero position.
Explanation:
An object possesses gravitational potential energy if it is positioned at a height above (or below) the zero height.
How is kinetic energy used in dribbling a basketball
An engineer is designing the foundation of large building and wants to be sure that movement in the ground will do as little damage to the building as possible. Which building material would be best to use in the foundation?
Steel-reinforced concrete is a better material for foundation where movement in the ground is envisaged.
The kind of material used for the foundation of a building greatly impacts the ability of that building to cope with movements in the ground such as during earthquakes.
For instance, when the foundation is made of brick or concrete which has a low ductility, these materials are incapable of absorbing a lot of energy. However, steel-reinforced concrete is a better material for foundation where movement in the ground is envisaged.
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