PE & KE

A 5 kg dog runs at 2.5 m/s. Find the kinetic energy of the dog.

• 6.25 J

• 12.5 J

• 15.6 J

• 122.5 J

Tags

NGSS.MS-PS3-1

A 68 kg circus performer sits on a 4.2 m tall elephant. Find the potential energy of the performer.

• 2798.9 J

• 285.6 J

• 16.2 J

• 29.1 J

Tags

NGSS.MS-PS3-2

What is the equation for Kinetic Energy (KE)?

Tags

NGSS.HS-PS2-3

The formula for calculating potential energy is ____________________________. 

• PE=gh
• PE=mh
• PE=mgh
• PE=2mgh

A cheetah can run briefly with a speed of 31 m/s. Suppose a cheetah with a mass of 47 kg runs at this speed. What is the cheetah’s kinetic energy?

• 1457 J

• 728.5 J

• 45,167 J

• 22,583.5 J

Tags

NGSS.MS-PS3-1

A ping pong ball has a mass of about 2.45 g. Suppose that ball is hit across the table with a speed of about 4.0 m/s. What is its kinetic energy?

• 19.6 J

• 0.0196 J

• 4.9 J

• 0.0049 J

Tags

NGSS.MS-PS3-1

What is the kinetic energy of a 26 kg eagle, flying at an altitude of 65 m at a speed of 19 m/s?

• 32,110 J

• 16,055 J

• 4693 J

• 247 J

Tags

NGSS.MS-PS3-1

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 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

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-PS3-5