Potential and Kinetic Calculations

A cheetah can run briefly with a speed of 31 m/s. Suppose a cheetah with a mass of 47 kg runs at this speed. What is the cheetah’s kinetic energy?

A ping pong ball has a mass of about 2.45 g. Suppose that ball is hit across the table with a speed of about 4.0 m/s. What is its kinetic energy?

What is the kinetic energy of a 26 kg eagle, flying at an altitude of 65 m at a speed of 19 m/s?

A polar bear has an average mass of 500 kg. If its maximum kinetic energy is 60500 J, what is its top speed?

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs? (KE = 1/2mv²)

A toy car with a mass of 0.2 kg is placed on a ramp 5 meters high. What is the potential energy of the toy car?

A pencil with a mass of 0.1 kg is dropped from a height of 2 meters. What is the potential energy of the pencil just before it hits the ground?

A ball with a mass of 0.3 kg is thrown straight up into the air to a height of 6 meters. What is the potential energy of the ball at its highest point?

A book with a mass of 1.5 kg is placed on a shelf 4 meters high. What is the potential energy of the book?

The Law of Conservation of Energy states:

At which point kinetic energy is greatest?

Which of the following factors does not affect the gravitational potential energy of an object?

In order to increase the gravitational potential energy of a roller coaster car, you could...