Conservation of Energy Quiz

Calculate the kinetic energy of a 45 gram golf ball travelling at 20 m/s.

• 9 J

• 18 J

• 36 J

• 45 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

How fast must a 1000 kg car be moving to have a kinetic energy of 2.0 x 10^5 J?

• 20 m/s

• 10 m/s

• 15 m/s

• 25 m/s

Tags

NGSS.HS-PS3-1

How high would you have to lift a 1000 kg car to give it a potential energy of 2.0 x 10^5 J?

• 20.4 m

• 10.2 m

• 15.3 m

• 25.5 m

Calculate the potential energy of a 5.00 kg object sitting on a 3.00 meter high ledge.

• 147 J

• 98 J

• 196 J

• 245 J

A 10.0 kg rock is at the top of a 20.0 m tall hill. How much potential energy does it have?

• 1960 J

• 980 J

• 2940 J

• 2450 J

Tags

NGSS.MS-PS3-2

A 25 N object is 3.0 meters up. How much potential energy does it have?

• 75 J

• 50 J

• 100 J

• 125 J

Tags

NGSS.MS-PS3-2

How high up is a 3.00 kg object that has 300 J of energy?

• 10.2 m

• 15.3 m

• 20.4 m

• 25.5 m

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-2

A 4.00 kg rock is rolling 10.0 m/s. Find its kinetic energy.

• 200 J

• 400 J

• 300 J

• 500 J

Tags

NGSS.HS-PS3-2

An 8.0 kg cat is running 4.0 m/s. How much kinetic energy does it have?

• 64 J

• 32 J

• 48 J

• 16 J

A student who weighs 500 Newtons climbed the stairs from the first floor to the third floor, 15 meters above, in 20 seconds. How much work did she do?

• 7500 Joules

• 5000 Joules

• 10000 Joules

• 2500 Joules

Tags

NGSS.HS-PS3-2