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Energy and Power Practice

Authored by Michael Poley

Physics

9th - 12th Grade

NGSS covered

Used 20+ times

Energy and Power Practice
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

An object has 12.4 J of potential energy and 23.5 J of kinetic energy. What is the mechanical energy of the system?

11.1 J

1.895 J

35.9 J

291.4 J

Tags

NGSS.HS-PS3-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where would a car traveling on a roller coaster track have the most potential energy?

At the bottom

Halfway to the top

at the top

halfway to the bottom

It is always the same

Tags

NGSS.HS-PS3-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?

Both the potential energy and kinetic energy decrease

The potential energy decreases while the kinetic energy increases

The kinetic energy decreases while the potential energy increases

Both the potential energy and kinetic energy increase

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A person weighing 600 N gets on an elevator. The elevator lifts the person 6 m in 10 seconds.  How much power was used?

360 W 
60 W
3600 W
600 W

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

P=25 watts 
W=5000 Joules 
t=???

200 sec
0.0005 s
125000 s
125 s

Tags

NGSS.HS-PS3-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In diagram 2, if the 600 kg cart is initially at rest, what is its velocity at point B?

19.8 m/s
15.0 m/s
10.3 m/s
3.8 m/s

Tags

NGSS.HS-PS2-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the figure, potential energy is being converted into kinetic energy from

point A to point B

point B to point C

The only energy involved here is kinetic.

Energy is not being converted.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-3

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