1-D Kinematics

Review

Which of the following is a physical quantity that has a magnitude but no direction?

vecto

r sc

alar

resu

ltant

frame of r

eference

0% 0%0%0%

1. vector2. scalar3. resultant4. frame of reference

Which of the following is an example of a vector quantity?

distance

temperat

ure

volume

accelera

tion sp

eed m

ass

0% 0% 0%0%0%0%

1. distance2. temperature3. volume4. acceleration5. speed6. mass

The slope of a velocity time graph represents:

Disp

lacement

Acceleration

Dist

ance

Speed

Time

0% 0% 0%0%0%

1. Displacement2. Acceleration3. Distance4. Speed5. Time

A position time graph is linear with a positive slope. The slope of the corresponding velocity time graph

will be:

Positive

Negative

Zero

Changing

Unable to

be d...

0% 0% 0%0%0%

1. Positive2. Negative3. Zero4. Changing5. Unable to be

determined

A velocity time graph is linear with a positive slope. The slope of the

corresponding position time graph will be:

Positive

Negative

Zero

Changing

Unable to

be d...

0% 0% 0%0%0%

1. Positive2. Negative3. Zero4. Changing5. Unable to be

determined

Finding the slope between the first and last points on a position time

graph will tell you the:

Acceleration

Average

Veloci...

Insta

ntaneous ...

Free fa

ll acce

...

0% 0%0%0%

1. Acceleration2. Average Velocity3. Instantaneous

Velocity4. Free fall

acceleration

To find the instantaneous velocity of a car that travelled 40cm using the photogates, you must

do the following?

0.4m/tB

0.01m/tB

0.4m/tAB

0.01m/tAB

0% 0%0%0%

1. 0.4m/tB

2. 0.01m/tB

3. 0.4m/tAB

4. 0.01m/tAB

A cannonball is shot into the air. What is the acceleration (in m/s2)

when the cannonball is at its highest point?

0 9.8 -9.8

Not e

nough in

f...

0% 0%0%0%

1. 02. 9.83. -9.84. Not enough

information

A diver steps off a 10m diving board. What is the initial velocity

(in m/s)?

0 9.8 -9.8

Not e

nough in

f...

0% 0%0%0%

1. 02. 9.83. -9.84. Not enough

information

A diver steps off a 10m diving board. What is the diver’s

displacement (in m) once she strikes the water?

0 9.8 -9.8 10 -10

0% 0% 0%0%0%

1. 02. 9.83. -9.84. 105. -10

A grasshopper leaps 0.5 m in the air and returns to the ground.

What is the insect’s vertical displacement (in m)?

0 1-9.8 .5 -.5

Not e

nough in

f...

0% 0% 0%0%0%0%

1. 02. 13. -9.84. 0.55. -0.56. Not enough info

A grasshopper leaps in the air onto a ledge for a total time of 2

seconds. What is the insect’s final velocity (in m/s)?

0 9.8 -9.8 .5 -.5

Not e

nough in

f...

0% 0% 0%0%0%0%

1. 02. 9.83. -9.84. 0.55. -0.56. Not enough info

A grasshopper leaps in the air at +0.5m/s and returns to the ground. What is the insect’s final velocity

(in m/s)?

0 9.8 -9.8 .5 -.5

Not e

nough in

f...

0% 0% 0%0%0%0%

1. 02. 9.83. -9.84. 0.55. -0.56. Not enough info

A grasshopper leaps in the air at +0.5m/s and returns to the ground.

What is the insect’s acceleration (in m/s2)?

0 9.8 -9.8 .5 -.5

Not e

nough in

fo

0% 0% 0%0%0%0%

1. 02. 9.83. -9.84. 0.55. -0.56. Not enough info

A car speeds up from -10 m/s to -30 m/s. Describe the acceleration.

Positive

Negative

Zero

Unable to

be d...

0% 0%0%0%

1. Positive2. Negative3. Zero4. Unable to be

determined

A cheetah slows down from -10 m/s to -5 m/s south. Describe the acceleration.

Positive

Negative

Zero

Unable to

be d...

0% 0%0%0%

1. Positive2. Negative3. Zero4. Unable to be

determined

A minivan slows down from 85 mi/hr to 65 mi/hr when the driver spots a police officer tracking her speed. Describe her acceleration.

Positive

Negative

Zero

Unable to

be d...

0% 0%0%0%

1. Positive2. Negative3. Zero4. Unable to be

determined

A basketball is released from rest. When the ball hits the ground it is moving at a speed of 8m/s. Describe the acceleration.

Positive

Negative

Zero

Unable to

be d...

0% 0%0%0%

1. Positive2. Negative3. Zero4. Unable to be

determined