PE & KE Calculations

kinetic energy

Multiple Choice

An 800kg truck is traveling at 14 m/s down the road. What is its kinetic energy?

• 11,200 joules

• 5,600 joules

• 78,400 joules

• 57 joules

Multiple Choice

A 0.2kg toy car has 17 joules of kinetic energy. How fast is it going?

• 13 m/s

• 85 m/s

• 3.4 m/s

• 1.7 m/s

Potential energy

Multiple Choice

A 50kg skydiver is 3,000 meters above the ground. What is their potential energy?

• 15,000 joules

• 60 joules

• 150,000 joules

• 1,470,000 joules

Multiple Choice

A 0.89kg box is siting on a shelf, and has 20 joules of potential energy. How tall is the shelf?

• 2.3 meters

• 22.5 meters

• 17.8 meters

• 1.8 meters

Multiple Choice

A bike rider starts out from rest on a flat road. The biker gradually accelerates to a speed of 12 mph.

What is happening to the biker's kinetic energy?

• increasing

• decreasing

• staying the same

Multiple Choice

A bike rider starts out from rest on a flat road. The biker gradually accelerates to a speed of 12 mph.

What is happening to the biker's potential energy?

• increasing

• decreasing

• staying the same

Potential and Kinetic Energy Calculations