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Retake U6 Test

Last updated 3 days ago

11 questions

1

1

1

1

1

1

1

1

1

1

5

Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

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Question 11

11.

FRQ Question: Type 'complete'

Which of the following is an example of kinetic energy?

A piece of coal

A stretched rubber band

A car driving down the street

A ball at the top of a hill

Where is Kinetic Energy the highest?

B

C

D

E

All are the same

Where is Potential Energy the highest?

B

C

D

E

All are the same

Where is Mechanical Energy the highest?

B

C

D

E

All are the same

How much KE does a 50 kg runner have when running at 10 m/s?

2500 J

500 J

250 J

5000 J

A 70 kg skier is standing at the top of a 10 m slope and skis down. What is his approximate velocity at the bottomr of the slope? (2 step problem)

6860

4.5

14

196

What happens to the energy of a ball as if falls from a height to the ground?

Potential will decrease, kinetic will increase

Energy stays as kinetic

Energy stays as potential

Potential will increase, kinetic will decrease

What is the mass of an object with 482 J of potential energy at a height of 3 m?

1446 kg

14170.8 kg

160.7 kg

16.4 kg

If ice is dropped into a glass of tea, the ice will ____ and the tea will _____

Speed up, slow down

Slow down, speed up

Slow down, slow down

Speed up, speed up

What is the amount of work done by a 600 N student as she rides a 1500 N moped down town for 75 m?

112,500 J

45,000 J

0 J

157,500 J