A 0.10-kg ball is dropped from a height of 10 m and rebounds to a height of 8.0 m. a. Is energy conserved in the ball? b. If not, how much energy was lost, and what happened to it?

A horsepower is a unit of power equal to 550 ______________.

Given 10 kWh of electricity and assuming no losses, how much work, in joules, could be done?

A 5.00-kg object is lifted from the floor to a shelf. The object’s new gravitational potential energy relative to the floor is 102 J. What is the height of the shelf?

A 5.0-kg object is lifted 1.1 m from the floor to a table. What is the object’s gravitational potential energy relative to the floor?

The largest reserve of energy in the United States is in what form?

“Ice that burns” is better known as

The United States’ most abundant fuel supply is ______________.

Work in the amount of 280 J is done in lifting an object a distance of 4.0 m in a time of 7.0 s. a. How much force did it take to lift the object? b. What was the power input?

The units of work are the same as those of ______________.