KE/PE Practice Problems

What is the formula for Gravitational Potential Energy?

• PE = mgh

• KE = 1/2mv²

• W = Fd

• P = W/t

Tags

NGSS.MS-PS3-2

What is the formula for Kinetic Energy?

• PE = mgh

• KE = 1/2mv²

• W = Fd

• P = W/t

What is the KE of a football which has a mass of 0.8 kg and is kicked at a velocity of 10m/s?

• 80 J

• 3.2 J

• 160 J

• 40 J

Tags

NGSS.MS-PS3-1

What is the kinetic energy of a zorb and human with a total mass of 90Kg rolling at 10m/s?

• 3,700J

• 900J

• 4,500J

• 6,500J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

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

• 676 J

• 3.25 J

• 17J

• 338 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

An explosion of gas from a Hawaiian volcano blows a rock into the sky. The rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s?

• 200Kg

• 20,000Kg

• 10Kg

• 200Kg

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Roger Federer’s tennis ball has a mass of 0.3 kg. If he holds the ball above the ground at a height of 2.0 m to serve, what is its gravitational potential energy (GPE)?

• 5.88 J
• 0.6 J
• 6.67 J
• 0.15 J

Tags

NGSS.MS-PS3-2

A leopard with a mass of 55.00 kg climbs 12.0 m up a tree. What is its GPE?

• 6,468 J
• 660 J
• 4.58 J
• 0.22 J

Tags

NGSS.MS-PS3-2

An aircraft is taking a group of skydivers up into the air. Evan is dressed in his parachuting outfit, which brings his mass to a total of 90.0 kg. The aircraft takes the group to a height of 5000m before the jump. How much GPE does Evan have before jumping?

• 4,410,000 J

• 450,000 J

• 55.56 J

• 0.018 J

Tags

NGSS.MS-PS3-2

With all of his Batgear on, Batman has a mass of 90.7 kg. How much potential energy does he have if he's perched on top of a 1,575 m building? 

• 142,852.5 J
• 1,399,954.5 J
• 0.058 J
• 17.36 J

Tags

NGSS.MS-PS3-2

NGSS.MS-PS2-4