A boy pushes on a parked car with a force of 200 n. the car does not move. how much work does the boy do on the car?

A block initially at rest on a horizontal, frictionless surface is accelerated by a constant horizontal force of 5 newtons. if 15 joules of work is done on the bock by this force, the kinetic energy of the block increases by

An object that has what acting on it acts as if there were no forces acting on it at all

Which of the following is maintained across the terminals of a battery? a. a potential difference b. a voltage drop c. an electric charge d. both a and b

A 0.300 kg ball is thrown vertically upward with an initial speed of 17.0 m/s. part a what is the maximum height reached by the ball?

What is the theme of the car we had to push?

If a car is moving along the highway at a constant speed of 50 m/s, is there an unbalanced force acting on the car? How do you know? Explain using one of Newton's Laws.

If a sprinter has an average acceleration of 9.5 m/s2, how long does it take for the person to go from rest to 10 m/s

If the average velocity of a duck is zero in a given time interval, what can you say about the displacement of the duck for that interval?

How much power can I generate while lifting a mass for 30 seconds?

A car is idling at a stoplight. When the light turns green, the car takes 12 seconds to accelerate to 18.7 m/s. What is the average acceleration of the car? 0.64 m/s2 1.6 m/s2 -0.64 m/s2 -1.6 m/s2