Unit 1 Energy, work & momentum test review

Front

This energy is in the chemical bonds between atoms in molecules, such as fuel, food, and cells.

Back

Chemical energy

Front

The law of conservation of energy implies that the total amount of energy before a transformation must be

Back

equal to the amount of energy after a transformation.

Front

Heat is a form of...

Back

Thermal energy

Front

Kinetic Energy Formula

Back

KE = 0.5 × m × v²

Front

Anything plugged into a power outlet uses:

Back

Electrical energy.

Front

An airplane designed to carry a space shuttle has a top speed of 236 m/s, at which its kinetic energy is 9,760,000,000 J. What is its mass?

Back

350,474 kg

Front

An Olympic high jumper with a mass of 82 kg has a maximum gravitational potential energy of 1970 J. How high was the jump?

Back

2.5 m

Front

As a rolling boulder crashes down a mountain, it possesses kinetic energy.

Back

Kinetic Energy

Front

A runner has a momentum of 670 kg·m/s and is traveling at a velocity of 9 m/s. What is his mass?

Back

74.4 kg

Front

The momentum of an object depends upon the object's mass and velocity.

Back

Mass and velocity