Kinetic vs Potential Energy Calculations

A football player throws a ball with a mass of 0.34 kg. What is the gravitational

potential energy of the ball when it is 5.0 m above the ground?

• 17 J

• 170 J

• 1.7 J

• 71J

Tags

NGSS.MS-PS2-4

A 2.0-kg book is on a shelf that is 1.6 m high. What is the gravitational potential

energy of the book relative to the ground?

• 23J

• 46J

• 32J

• 3.4 J

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

A 36-kg girl walks to the top of stairs that are 2.0-m high. How much gravitational

potential energy does the girl gain?

• 560 J

• 270 J

• 674 J

• 720 J

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

What is the Kinetic Energy of a 150 kg object that is moving with a speed of 15 m/s?

• 18675J

• 675J

• 16875J

• 18756 J

Tags

NGSS.HS-PS3-2

An object has a kinetic energy of 25 J and a mass of 34 kg , how fast is the object

moving?

• 1.28 m/s

• 26 m/s

• 8.2 m/s

• 1.82 m/s

Tags

NGSS.HS-PS2-1

An object moving with a speed of 35 m/s and has a kinetic energy of 1500 J, what is the mass of the object.

• 5. 24 kg

• 4.25 kg

• 6 kg

• 2.45 kg

Tags

NGSS.HS-PS3-1

An object moving with a speed of 67 m/s and has a kinetic energy of 500 J, what is the mass of the object.

• 22 kg

• .22 kg

• 22.2 kg

• 10.2 kg

Tags

NGSS.HS-PS3-1

A bowling ball is dropped from the top of the building. If it hits the ground with a speed of 37.0 m/s, how tall was the building?

• 71 m

• 69.8 m

• 86.9 m

• 68 m

Answer explanation

Ep = Ek

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-1