How much force is needed to accelerate a 1000-kg car at a rate of 3 m/s2

Answers

Answer 1

Answer: In the given question we already know the mass of the car. The mass of the car is 1000 kg. The acceleration at which the car needs to reach is 3 m/s^2. Based on these information's, the required answer can be easily deduced. We already know that
Force = Mass * Acceleration
= (1000 * 3) newton
= 3000 newton
So the amount of force that is required to move give the car an acceleration of 3m/s^2 is 3000 Newton.

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An electron is pushed into an electric field from infinity where it acquires a 1-V electrical potential. Suppose instead that two electrons are pushed from infinity the same distance into the same electric field. The electrical potential of the two electrons is ___________.a) 0.5Vb) 1Vc) 0.25Vd) 4Ve) 2V
Race car drivers must slow down as they make turns on the track. This is best explained by the law of inertia. Which statement best describes inertia for the car going around a turn? A) A body in motion stays in motion at the same speed. B) The speed of the car going into the turn must be conserved. C) The speed around a turn is proportional to the radius of curvature of the turn. D) A body in motion tends to continue in a straight line and requires a force to turn.
The diagram shows the path of a pendulum bob that has been released.Which describes the kinetic energy of the pendulum bob? A. It increases as it travels from its maximum amplitude to its resting point. B. It decreases as it travels from its maximum amplitude to its resting point. C. It remains the same throughout the period. D. It decreases at the arm, but increases at the pivot point
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Imagine that you have a rectangular swimming pool, but you have no idea how deep it is. You know that the pool has a volume of 216 m3 . You measured the dimensions of the pool and found that it is 15 m long and 6 m wide. A. Calculate the depth of the pool. Show your work.

Answers

volume of any rectangle cuboid such as a pool length*width*height
and area is length*width

Now, volume/area=height

height=216/90
height=2.4m

Why can scientists ignore the gravitational force when studying the physics of an atom?

Answers

Answer:

Scientists can ignore the gravitational force because the electrical force between protons and electrons in the atom is millions of times stronger than the gravitational force between the protons and electrons. The gravitational force is insignificant for masses as small as the proton and electron.

Explanation:

Answer:

Sample response: Scientists can ignore the gravitational force because the electrical force between protons and electrons in the atom is millions of times stronger than the gravitational force between the protons and electrons. The gravitational force is insignificant for masses as small as the proton and electron.

Explanation:

If gravity did not affect the pain of a horizontally thrown ball the ball would

Answers

If gravity had no effect on a ball after you threw it ... and there also
were no air to slow it down ... then the ball would continue traveling
in a straight line, in whatever direction you threw it.

That's the heart and soul of Newton's laws of motion ... any object
keeps moving at the same speed, and in a straight line in the same
direction, until a force acts on it to change its speed or direction.\

If you threw the ball horizontally, then it would keep moving in the
same direction you threw it. But don't forget: The Earth is not flat.
The Earth is a sphere. So, as the ball kept going farther and farther
in the same straight line, the Earth would curve away from it, and it
would look like the ball is getting farther and farther from the ground.

If gravity did not affect a horizontally thrown ball, the ball would continue along its horizontal path indefinitely (assuming it is thrown in a vacuum so no other forces are acting on it).

How are kyanite crystals formed

Answers

It occurs as detrital grains in sedimentary rocks. It forms under extreme pressure.

A boy throws a football horizontally from a window that is 2.8 m above the ground. If he throws the ball with a speed of 12 m/s, how far from the window does the ball land? A. 11.2 m B. 0.23 m C. 9.1 m D. 4.3 m

Answers

We need to know your component of velocity to find time taken by the ball to reach ground. So the correct answer is C. 9.1m. I forgot to approximate.

Answer:C. 9.1m

Explanation:

Good luck!

How are electromagnetic waves that are produced by oscillating charges and sound waves that are produced by oscillating tuning forks similar?

Answers

The electromagnetic waves that are produced by oscillating charges and sound waves that can be produced by oscillating tuning forks are similar.

What is an electromagnetic wave?

EM waves are another name for electromagnetic waves. Electromagnetic radiations are made up of electromagnetic waves created when an electric field collides with a magnetic field.

Electromagnetic waves may alternatively be defined as the combination of oscillating electric and magnetic fields. Maxwell's equations are solutions to electromagnetic waves.

Electromagnetic radiations are made up of electromagnetic waves created when an electric field collides with a magnetic field. Sound is the oscillation of other things, known as a medium, whereas electromagnetic waves are oscillations of electromagnetic energy.

Hence, the electromagnetic waves that are produced by oscillating charges and sound waves that can be produced by oscillating tuning forks are similar.

To learn more about the electromagnetic wave refer to the link;

brainly.com/question/8553652

#SPJ2

they are both created by waves of different forms of energy... sound is the oscillation of other substances, called a medium, while the electromagnetic waves are oscillating through electromagnetic energy.

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