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Energy

Authored by Emily Ready

Physics

9th - 12th Grade

NGSS covered

Used 26+ times

Energy
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

Calculate the gravitational potential energy relative to the ground when an 82 kg person climbs to the top of a 2.0 m stepladder.

402 J

164 J

2.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

What is the kinetic energy of a 1.40 kg discus with a speed of 22.5 m/s?

15.8 J

31.5 J

354 J

709 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

3.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

When a pitcher throws a softball to a catcher, immediately before the ball is thrown is _____ energy, while the motion of the ball toward the catcher is _____ energy.

potential, nonmechanical

electrical, thermal

potential, kinetic

mechanical, chemical

Tags

NGSS.HS-PS3-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A dog running at a speed of 12 m/s has 1,080 J of kinetic energy. What is the mass of the dog?

45 kg

7.5 kg

15 kg

30 kg

Tags

NGSS.MS-PS3-1

5.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

An astronaut with a mass of 91 kg is 0.30 m above the moon’s surface. The astronaut’s potential energy is 46 J. Calculate the free-fall acceleration (g) on the moon.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

At the top of its arc, a thrown ball has _____ potential energy.

maximum

minimum

zero

average

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

As a dropped penny falls toward the ground, _____ energy is converted to _____ energy.

thermal, potential

kinetic, vibrational

kinetic, heat

potential, kinetic

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

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