KE/PE Practice

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

NGSS.MS-PS3-4

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

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

You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30m/s. How much kinetic energy does the ball have?

• 1890 J

• 3780 J

• 945 J

• 31.5 J

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.HS-PS2-4

NGSS.HS-PS3-1

NGSS.HS-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

Which of the following shows potential energy?

• rock on top of a hill

• spinning gears

Tags

NGSS.MS-PS3-2

Which of the following shows kinetic energy?

• running guy

• phone on a table

Tags

NGSS.MS-PS3-1

When a trampoline "springs" up, this is an example of ______.

• GPE (Gravitational Potential Energy)

• EPE (Elastic Potential Energy)

• KE (Kinetic Energy)