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U6 Quiz 2 KE PE ME

Last updated about 3 years ago

15 questions

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Question 1

1.

Work is done when

force and displacement are parallel

force is zero

force and displacement are perpendicular

distance is zero

Question 2

2.

What is the work done by baby Elizabeth Campoverde who had a weight of 7.56 N when we wrote this question on a 16,000 N RAV4 as she rides in the RAV4? The RAV4 takes 600 seconds to take Mrs. Campoverde from her house to the store (a distance of 8200 m).

219,666.7 J

1.312 x 108 J

61,992 J

0 J

Question 3

3.

What does not affect an object’s kinetic energy?

velocity

Earth's gravity

mass

height

Question 4

4.

What does not affect an object’s gravitational potential energy?

Earth's gravity

height

velocity

mass

Question 5

5.

Rapunzel is standing at the edge of her tower looking at the floating lights. If her tower is 22 m tall, and she has a mass of 55 kg, how much potential energy does she have?

24.5 J

11858 J

2.5 J

1210 J

Question 6

6.

A 0.12kg ball at rest at the top of a 3m hill rolls down the hill. What is the Kinetic Energy at the bottom of the hill?

0.36 J

0.54 J

25 J

3.53 J

Question 7

7.

A 0.12kg ball at rest at the top of a 3m hill rolls down the hill. What is the velocity at the bottom of the hill?

0.4 m/s

59 m/s

4 m/s

8 m/s

Question 8

8.

What point represents the greatest gravitational potential energy?

E

A

B

D

C

Question 9

9.

What point represents the least gravitational potential energy?

B

A

E

C

D

Question 10

10.

What point represents the least kinetic energy?

A

E

C

D

B

Question 11

11.

What point represents the greatest kinetic energy?

C

B

E

A

D

Question 12

12.

What point has the greatest velocity?

C

A

B

D

E

Question 13

13.

A playful 4 kg penguin slides down an ice ramp. At a height of 2 m, the penguin’s velocity is 8 m/s. What is the Kinetic Energy at 2 m? Do not worry about including units.

Question 14

14.

A playful 4 kg penguin slides down an ice ramp. At a height of 2 m, the penguin’s velocity is 8 m/s. What is the Potential Energy at the top? Do not worry about including units.

Question 15

15.

A playful 4 kg penguin slides down an ice ramp. At a height of 2 m, the penguin’s velocity is 8 m/s. What is the height of the ice ramp? Do not worry about including units.