Energy Study Guide

Front

Thomas kicked a 0.06 kg ball so that it moves at 5 m/s. What is the kinetic energy of the ball? (KE = 1/2 mv^2)

Back

0.75 J

Front

The potential energy of a book on a shelf, relative to the floor, is a measure of

Back

all of these are correct

Front

Which quantity has the greatest influence on the amount of kinetic energy that a large bus has while moving down the freeway? Options: weight, velocity, size, friction on the wheels.

Back

velocity

Front

An exercise ball has a mass of 5 kg and is thrown with a speed of 2 m/s. What is its kinetic energy? (KE = ½ mv²)

Back

10 J

Front

Gravitational potential energy depends on what factors?

Back

The mass of the object, the height of the object, and the acceleration due to gravity.

Front

What is the gravitational potential energy of a 55 kg box that is 8 m above the ground? [PE=mgh (g=9.8 m/s^2)]

Back

4300 J

Front

A 0.15 kg baseball has a velocity of 30 m/s. What is its kinetic energy? (KE = 1/2 mv^2)

Back

30.15 J

Front

A 4 kg package is placed on a 2.5 m shelf. What is the gravitational potential energy of the package? (PE=mgh) (g=9.8 m/s^2)

Back

98 J

Front

Which energy form is associated with an object in motion?

Back

kinetic energy

Front

Which of the following is a form of mechanical energy? internal energy, chemical potential energy, gravitational potential energy, electrical energy

Back

gravitational potential energy