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Unit 01 1D Kinematics

Total questions: 20

Worksheet time: 23mins

Name
Class
Date
1.

A rock is thrown straight up from the edge of a cliff. The rock reaches a maximum height of 15 m above the edge and then falls to the bottom of the cliff 35 m below. What is the displacement of the rock?

a)

A. 15 m

b)

B. 35 m

c)

C. 50 m

d)

D. 65 m

2.

A car accelerates from rest at a constant rate 5 m/sec2 . Which of the following statements is true?

a)

A. The car travels 5 m in every second

b)

B. The car decreases its velocity 5 m/sec in every second

c)

C. The car increases its velocity 5 m/sec in every second

d)

D. The car’s velocity doesn’t change

3.

If the acceleration of an object is zero, then that object cannot be moving.

a)

True

b)

False

4.

What are the SI units of speed?

a)

m

b)

m/s

c)

m/sec2

d)

m/sec

5.
What is an example of acceleration?
a)
The change in velocity over time
b)
An object's speed changes
c)
An object in motion changes direction
d)
All of the above
6.

What are the SI units of velocity?

a)

m

b)

m/sec2

c)

m/sec

d)

sec

7.

How do you calculate average speed?

a)

divide total time by total distance

b)

multiply total time by total distance

c)

divide total distance by total time

d)

subtract total time from total distance

8.

Velocity is both ____ and _____.

a)

speed , direction

b)

direction, mass

c)

volume, density

d)

direction, magnitude

9.
Motion sensors recorded the following data about a runner during a cross-country race. During which segment of the race did the runner have the greatest speed?
a)
W
b)
X
c)
Y
d)
Z
10.
The graph respresents
a)
no motion
b)
constant velocity
c)
increasing velocity
d)
decreasing velocity
11.
At what time did runner A pass runner B?
a)
0 seconds
b)
1 second
c)
2 seconds
d)
3 seconds
12.
Which runner got a head start?
a)
red line runner
b)
blue line runner
13.
Which graph represents zero acceleration (constant velocity)?
a)
A
b)
B
c)
C
d)
D
14.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
15.
What is happening between 2 and 3 seconds?
a)
The object is not moving.
b)
The object is not accelerating.
c)
The object is slowing down.
d)
The object is speeding up.
16.

Find the displacement in the first 5 seconds.

a)

8 meters

b)

4 meters

c)

2 meters

d)

5 meters

17.

A car traveling at 22.4 m/sec skids to a stop in 2.55 sec. Determine the skidding distance of the car (assume uniform acceleration).

What number represents initial velocity?

a)

v0 = 2.55 sec

b)

v0= 22.4 m/sec

c)

v0= 0 m/sec

d)

v0 =?

18.

What is the formula to calculate speed?

a)

S = t/d

b)

S = d/t

c)

S = d x t

d)

S = t x d

19.
The speedometer on your car tells you
a)
average velocity
b)
instantaneous velocity
c)
average speed
d)
instantaneous speed
20.

What is the SI unit for acceleration?

a)

m/sec

b)

m

c)

m/sec2

d)

sec