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Ch 3: Accelerated motion

Total questions: 12

Worksheet time: 10mins

Name
Class
Date
1.

The graph shows the velocity of a bicycle as the rider begins to move from a stop.

Based on the slope of the graph, what is the average acceleration of the bicycle?

a)

0.8 m/s2 forward

b)

1.3 m/s2 forward

c)

2.0 m/s2 forward

d)

6.0 m/s2 forward

2.

The graph shows the velocity of a bicycle as the rider begins to move from a stop

What does the slope of the graph represent?

a)

acceleration

b)

displacement

c)

time

d)

velocity

3.

A school bus's velocity decreases from 15 m/s to 5 m/s forwards over a period of 10 s. What is the bus's average acceleration?

a)

1 m/s2 forward

b)

2 m/s2 forward

c)

1 m/s2 backward

d)

2 m/s2 backward

4.

If a race horse accelerates from rest at a constant rate of 3.5 m/s2 north, how long will the horse take to reach a speed of 19 m/s?

a)

67 s

b)

0.18 s

c)

16 s

d)

5.4 s

5.

A car with an initial position of 75 m and an initial velocity of 5 m/s accelerates at an average rate of 4 m/s2 for 2 s. What is the car's position after 2 s?

a)

85 m

b)

18 m

c)

93 m

d)

75 m

6.

A racing cyclist is traveling at 15.3 km/h when she speeds up with a constant forward acceleration. After 5.00 s, her speed is 31.0 km/h. What is her acceleration?

a)

3.14 km/h/s forward

b)

4.90 km/h/s forward

c)

23.2 km/h/s forward

d)

27.0 km/h/s forward

7.

A car’s velocity decreases from 22.0 m/s to

10.0 m/s over a period of 3.0 s. What is the car’s average acceleration?

a)

-4 m/s2

b)

-3 m/s2

c)

4 m/s2

d)

3 m/s2

8.

If a sprinter accelerates from rest at a constant rate of 2.0 m/s2, how fast will she be running after 4.0 s?

a)

8 m/s

b)

4 m/s

c)

2 m/s

d)

0.5 m/s

9.

Which graph might represent the acceleration of a jet plane moving down a runway from a rest position?

a)

Graph 1

b)

Graph 2

c)

Graph 3

d)

Graph 4

10.

A car with an initial position of 10.0 m and an initial velocity of 16.0 m/s accelerates at an average rate of 0.50 m/s2 for 4.0 s. What is the car’s position after 4.0 s?
Hint:  xf = xi + vit +12 a t2x_{f\ }=\ x_{i\ }+\ v_it\ +\frac{1}{2\ }a\ t^2  

a)

 68 m

b)

78 m

c)

82 m

d)

88 m

11.

A racing cyclist is traveling at 19.3 km/h when she speeds up with a constant acceleration of 0.67 m/s2. What is her velocity after 5.00 s?

a)

3.4 m/s2

b)

31 km / h

c)

23 km / h

d)

140 m/s2

12.

How far he travelled in 8s

a)

48 m

b)

24 m

c)

12 m

d)

0.75 m