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Quiz - Chapter 4: Motion, Speed, Velocity (10/9)

Total questions: 25

Worksheet time: 28mins

Name
Class
Date
1.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
2.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
3.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
4.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
5.
Which of the following represents a velocity?
a)
40 m
b)
40 m north
c)
40 m/s
d)
40 m/s north
6.
When you look at the speedometer of your car, it tells you your....
a)
Average speed
b)
Instantaneous speed
7.
What is the speed of a cheetah that travels 112.0 m in 4.0 s?
a)
0.0357 m/s
b)
28 m/s
c)
0.036 m/s
d)
28.0 m/s
8.
Two horses are running in a field.  The gray horse runs 12 m/s north.  The black horse runs 12 m/s east.  
Which is true about their motions?
a)
Equal speeds.
b)
Equal velocities.
c)
Equal distances.
d)
Equal displacements.
9.

Which statement is true about velocity?

a)

Must have measurement of speed.

b)

Must have a measurement of speed and direction.

c)

Must have only direction.

d)

Has neither a measurement of speed or direction.

10.

A car moves a distance of 1000 m with an average speed of 28 m/s. Calculate the time.

(a)  

11.

A cheetah runs with an average speed of 32 m/s for 30 seconds. How far did the cheetah run?

(a)  

12.
What is the formula for calculating speed? 
a)
S=T/D
b)
S = D/T
c)
S= D X T
13.

If a cyclist rides for 45 km in 3 hrs what is his average speed?

(a)  

14.
The ice skaters are in motion. What is a good reference point to describe their motion. 
a)
Their ice skates
b)
The wall behind them
c)
The people in the crowd
15.
What is the formula used to calculate distance if you know the speed and the time?
a)
D = S X T
b)
D = S/T
c)
D = T/S
16.
If it takes Ashley 3 seconds to run from the batters box to first base at an average speed of 6.5 meters per second, what is the distance she covers in that time? 
a)
19.5 s
b)
2.2 m
c)
19.5 m
d)
2.2 m/s
17.
What is the formula used to calculate time, if you know the speed and the distance? 
a)
T= S/D
b)
T= S X D
c)
T = D/S
18.

Every summer I drive to Michigan. It is 500 miles to get there. If I average 60 mi/hr, how much time will I spend driving?

(a)  

19.

Pick all of the following that are velocities. (More than one answer.)

a)

4 km/s west

b)

5 cm/h south

c)

2 mph

d)

8 cm/year

e)

5 m/s up

20.

A plane flying 300 mph west toward California is an example of...

(a)  

21.

Choose every statement that is true of velocity.

a)

Velocity is speed only.

b)

Velocity is speed and direction.

c)

Velocity is a vector.

d)

Velocity has a direction.

22.

Which one of these is a vector?

a)

speed

b)

velocity

c)

distance

d)

time

23.

An old lady rolls down a hill at 3 meters/second. The hill is 36 meters long. How many seconds does it take the old lady to reach the bottom of the hill?

a)

39 seconds

b)

12 seconds

c)

15 seconds

d)

33 seconds

24.
1. Which of the following statements about speed and velocity is correct?
a)
Velocity only describes an object’s rate of motion.
b)
Speed describes how an object is changing its velocity.
c)
Speed and velocity both describe how an object is speeding up.
d)
Only velocity includes the direction an object is traveling.
25.
Calculate these 3 car's speeds, then rank them in order of fastest to slowest, with 3 being the fastest car and 1 the slowest car.
Car A- distance: 4 meters, time: 2 sec
Car B- distance: 2 meters, time: 2 sec
Car C- distance: 8 meters, time: 2 sec
a)
Car A= 1
Car B= 2
Car C = 3
b)
Car A = 2
Car B= 1
Car C= 3
c)
Car A= 3
Car B= 1
Car C = 2
d)
Car A = 3
Car B= 2
Car C= 1