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Unit 2 Quiz Retake w/ videos

Last updated 3 days ago

15 questions

1

1

1

1

1

1

1

1

1

1

1

1

1

Question 1

01:05

1

Question 2

01:38

1

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 1

1.

Question 2

2.

Which graph shows the object standing still?

D

C

B

A

On a position vs. time graph, the steeper the slope _____

the slower the speed

less acceleration

the faster the speed

greater acceleration

A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

24 m/s2

16 m/s2

18 m/s2

17.5 m/s2

What can be said about the velocity of this object?

It is zero.

It is increasing in the positive direction.

It is constant in the positive direction.

It is moving in the north-eastward direction.

According to the graph how far does the person travel in the first 10 seconds?

 10 m

2 m

5 m

0 m

What is the person doing from 5 seconds to 10 seconds?

Walking Fast

Walking

Standing Still

Running

Which line represents the slower speed?

red

green

How far did Marie go before she turned around?

25 mi

10 mi

20 mi

5 mi

The graph below represents

Speed

Deceleration

Acceleration

Constant Velocity

What is this graph showing?

No motion

Acceleration (speeding up)

Constant speed

Deceleration (slowing down)

Marie drove to her friends house, what could account for Marie’s motion at 27 minutes?

She was stopped at a red light

She was late so she broke the speed limit

She forgot something at home and ran back to get it

She was driving across the top of a hill

A 100 meter race was run, how long did it take Charlie to finish the race?

17 s

12 s

14 s

14 m

What is Marie's acceleration from 0-5s?

5 m/s2

0 m/s2

1 m/s2

What type of line represents a velocity of 0 m/s on a PT graph?

negative slope

positive slope

horizontal

vertical

What type of line represents moving forward?

positive slope

negative slope

horizontal

vertical