WorksheetsPSc 1.1.2
Total questions: 34
Worksheet time: 1hrs 15mins
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.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
3.
Shona cycles at an average speed of 8km/h. How far has she traveled if she cycles for 4 hours?
a)
55km
b)
32km
c)
43km
d)
32miles
4.
How far will a person go if they jog for 2 hours at a speed of 12 km/hr?
a)
6 km
b)
0.5 km
c)
10 km
d)
24 km
5.
If a cheetah runs 180 miles in 3 hours, what is its average speed?
a)
60 hours
b)
60 miles
c)
60 miles/hour
d)
60 miles/second/second
6.
A runners 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
7.
A distance vs. time graph shows an object's
a)
frame of reference
b)
speed
c)
acceleration
d)
favorite food
8.
On a distance-versus-time graph, a straight line ALWAYS indicates that an object’s speed is _____.
a)
constant
b)
zero
c)
increasing
d)
decreasing
9.
Does the speedometer of a car read average speed or instantaneous speed?
a)
average speed
b)
instantaneous speed
10.
Slope is equal to
a)
rise/run
b)
run/rise
c)
rise + run
d)
rise - run
11.
What is velocity
a)
speed
b)
direction
c)
speed and direction
d)
acceleration
12.
What is happening at C?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
13.
At what point is an object stopped??
a)
A
b)
B
c)
D
d)
E
14.
At what point does an object have a negative velocity??
a)
A
b)
B
c)
D
d)
E
15.
Which one has the greatest overall velocity??
a)
B
b)
C
c)
D
d)
E
16.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
17.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
18.
What happened during A to B point?
a)
not moving
b)
increasing speed at a constant rate
c)
moving at a constant speed
d)
moving at 10 m/s2 acceleration
19.
What happened during E to F point?
a)
not moving
b)
increasing speed at a constant rate
c)
moving at a 5 m/s
d)
moving at 5 m/s2 acceleration
20.
Which line represents the constant acceleration?
a)
A
b)
B and D
c)
C
d)
A, B, and D
21.
Which line shows a negative acceleration ?
a)
A
b)
B and C
c)
D
d)
A, B, and
A, B, and D
A, B, and D
22.
A car accelerates from a standstill to 70 m/s in 10 seconds. What is the acceleration?
a)
0.7m/s/s
b)
7m/s/s
c)
14m/s/s
d)
none of the above
23.
A train is accelerating at a rate of 2 m/s. If its initial velocity is 20 m/s, what is its velocity after 30 seconds?
a)
16.2m/s2
b)
5.4m/s2
c)
1.8m/s2
d)
0.6m/s2
24.
A roller coasters accelerates from an initial velocity of 6 m/s to a final velocity of 70 m/s over 8 seconds. What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
8 m/s2
d)
16 m/s
25.
A drag racer accelerated from 0 m/s to 200 m/s in 5 s. What was the acceleration?
a)
0 m/s
b)
40 m/s2
c)
-40 m/s2
d)
40 m/s
26.
The law of conservation of momentum states that,
a)
p before is less than p after
b)
p before is the same as p after
c)
p before is more than p after
27.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
28.
If 2 objects collide and stick together, what will happen to their velocities?
a)
velocities will increase
b)
velocities will decrease
c)
velocities will stay the same
d)
none of the above
29.
A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?
a)
25 m/s
b)
375 m/s
c)
25 kg m/s
d)
375 kg m/s
30.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
31.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and veloctiy
c)
mass and energy
d)
distance and time
32.
A 2 kg cart has a momentum of 16 kg m/s. What is its velocity?
a)
8 m/s
b)
32 m/s
c)
0.125 m/s
d)
18 m/s
33.
T/F: A big truck will always have more momentum than a small car.
a)
True
b)
False
34.
What is the velocity of the truck after the collision? (Remember, momentum before = momentum after)
a)
10 m/s
b)
3 m/s
c)
5 m/s
d)
15 m/s
100 %
