Kinetic Energy

Kinetic energy is...

• energy carried in ultraviolet waves

• energy stored in food

• energy in motion

• energy from splitting an atom

What two factors affect an object's kinetic energy?

• area and volume

• mass and weight

• weight and height

• mass and speed

Kinetic energy is measured in

• Newtons (N)

• Joules (J)

• Kilograms (kg)

• miles per hour (mph)

How far will an object move in 12 seconds if it is traveling at a velocity of 8 m/s?

• 96 m
• 0.7 m
• 20 m
• 4 m

Calculate the KE of a moving 4 kilogram object traveling at a velocity of 3 m/s.

• 18 J
• 36 J
• 12 J
• 6 J

How much KE does a moving 6 kilogram object have if it moves with a velocity of 3 m/s?

• 27 J
• 18 J
• 9 J
• 2 J

A moving 10 kilogram object has 20 Joules of KE. What is its velocity?

• 2 m/s
• 4 m/s
• 200 m/s
• 10 m/s

A cheetah can run briefly with a speed of 31.0 m/s. Suppose a cheetah with a mass of 47.0 kg runs at this speed. What is the cheetah’s kinetic energy?

• 1457 Joules

• 22,584 Joules

• 15 Joules

• 45,167Joules

What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s

• 676 J

• 52 J

• 17J

• 338 J

What is the kinetic energy of a ball with a mass of 5kg rolling at 10m/s

• 50 J

• 500 J

• 250 J

• 25 J