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Unit 2 Test Retake

Last updated about 3 years ago

20 questions

Note from the author:

Instructions

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Questions 1-3 | 01:18

Question 4 | 03:14

Question 5 | 04:40

Question 6 | 06:18

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Questions 1-3

01:18

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Question 4

03:14

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Question 5

04:40

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Question 6

06:18

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Question 7 | 02:09

Question 8 | 03:07

Question 9 | 04:36

Question 10 | 06:38

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Question 7

02:09

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Question 8

03:07

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Question 9

04:36

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Question 10

06:38

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Consider the position vs time graph below that represents the motion of two bicyclists. 

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Question 15

15.

What is happening at the intersection of the lines?

Question 16

16.

What is the velocity of the object?

Question 17

17.

What is the acceleration of this object?

Question 18

18.

Consider the velocity vs time graph below that represents the motion of four different cars.

Car ______  has a constant velocity. Car ______    has a smaller positive acceleration. Car ______    has a larger positive acceleration. Car ______    has a negative acceleration.

Other Answer Choices:

B

D

C

A

Question 19

19.

What is the acceleration of the object from 5-10 seconds?

Question 20

20.

What is the acceleration for the first 3 seconds?

Question 1

1.

What is the velocity and acceleration over time 5-10 seconds? (section b)

2 m/s2
0 m/s
2 m/s
0 m/s2

Velocity
Acceleration

Question 2

2.

In the graph below, the cyclist waited approximately  ______  seconds while they were _______  meters away.

Other Answer Choices:

5

10

20

30

30

20

15

40

Question 3

3.

Which of the following best describes the motion on the graph?

Segment b illustrates constant positive velocity. 

Segment d illustrates constant positive velocity.

Segment d illustrates constant positive velocity.

There is no backward motion in this graph. 

Segment c illustrates constant positive velocity. 

Segment a illustrates constant 
positive velocity.

Question 4

4.

Which PT Graph represents a car constantly increasing speed?

Question 5

5.

Select all that are true for the following graph:

Increasing acceleration

Skating at a constant speed

Increasing Speed

Skating Uphill

Increasing Velocity

Constant Velocity

Question 6

6.

Select all statements that incorrectly describe acceleration

How far an object travels over a given period of time

the increase or decrease of velocity

occurs when changing direction

often used interchangeably with speed

m/s

m/s2

is the slope of the PT graph

is the slope of the VT graph

Question 7

7.

What is the average velocity of a ball that takes 15.7 seconds to roll 18 meters?

Question 8

8.

Namjoon and Monie are walking in Central Park before a concert. He realized he was going to be late, so they accelerated from 1.2 m/s at a rate of 0.75 m/s2 for 47 seconds. How far did Namjoon and Monie run across level ground to make it to their vehicle during this acceleration? (Use correct units)

Question 9

9.

When rolling a ball down a wheelchair ramp, if the ball begins at rest at the top of the ramp, what is the velocity at time = 3 seconds? (Hint: Use the vf equation)

Question 10

10.

Select the best description of the motion of a car rolling down a hill.

Constant velocity

Constant speed

Decreasing acceleration

Acceleration

Question 11

11.

Cyclist B starts in the lead.

True

False

Question 12

12.

Cyclist B is in the lead at t = 7 seconds.

True

False

Question 13

13.

Cyclist A is the faster of the two cyclists.

True

False

Question 14

14.

The cyclists have the same velocities in the first 5 seconds.

True

False