A watt is one ______________ per second.

The bob of a simple pendulum is 0.50 m above the floor at its lowest position. Calculate the maximum speed of the bob when it is held at a maximum height of 2.5 m and released. ​ ​

Although the United States has less than 5% of the world’s population, it accounts for approximately ______________ of the world’s annual consumption of fossil fuels.

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