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WorksheetsKinematics clicker questions 1
Total questions: 16
Worksheet time: 1hrs 20mins
Name
Class
Date
1.
A quantity that is has magnitude and direction is referred to as a
a)
vector quantity
b)
scalar quantity
2.
Acceleration of an object moving at constant velocity horizontaly
a)
0 s2m
b)
9.81 s2m
c)
3.142 s2m
d)
9.81 sm
3.
An object can be moving for 10 seconds and still have zero displacement.
a)
True
b)
False
4.
You run from your house to a friend's house that is 3 km away. You then walk home. The distance you traveled is 6 km. What is your displacement?
a)
6 km
b)
0 km
5.
A hummingbird averages a speed of about 45 km/hour (Cool facts: They visit up to 1000 flowers per day, and reach maximum speed, while diving, up to 160 km/hour!). Ruby-throated hummingbirds take a non-stop trip across Gulf of Mexico in which they fly for 18 hours straight! How far is the trip across the Gulf of Mexico at their average speed?
a)
810 km
b)
2.5 km
c)
3.6 km
d)
360 km
6.
A cheetah travels 75 m in 3 s. What is her velocity over the interval?
a)
225 m/s
b)
25 m/s
c)
0.04 m/s
7.
An object accelerates at 2 m/s^2. Assuming the object starts from rest, how much time does it need to accelerate to a speed of 16 m/s?
a)
4 s
b)
8 s
c)
16 s
d)
1/16 s
8.
A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is
a)
6 m/s/s opposite the motion
b)
2m/s/s in the direction of motion
c)
8 m/s/s opposite the motion
9.
A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its velocity will be:
(Choose upward as positive)
a)
19.6 m/s
b)
-5.4 m/s
c)
-44.6 m/s
d)
44.6 m/s
10.
A hacky sack is thrown up into the air with an initial velocity 3 m/s. What maximum height does the hacky sack reach?
a)
0.15 m
b)
0.46 m
c)
0.92
d)
1.8 m
11.
A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops?
a)
4.20 m
b)
52.5 m
c)
105 m
d)
158 m
12.
A race car starting from rest accelerates uniformly at a rate of 4.90 m/s2. What is the car's speed after it has traveled 200 meters?
a)
1960 m/s
b)
62.6 m/s
c)
44.3 m/s
d)
31.3 m/a
13.
A dog running with an initial speed of 7.5 m/s comes to a stop in 15 seconds. What is the dog's acceleration?
a)
-7.5 m/s
b)
-7.5 m/s2
c)
-0.5 m/s2
d)
7.5 mi//hr
14.
An airplane lands on a runway with a velocity of 150 m/s. How far will it travel until it stops if its rate of deceleration is constant at -3 m/s2?
a)
525 m
b)
3750 m
c)
6235 m
d)
9813 m
15.
In each of the following cases, determine which car has the greatest acceleration.
a)
starts from 0 m/s to 20 m/s in 4 seconds.
b)
speed up from 20m/s to 40m/s in 3 seconds
c)
slow down from 50m/s to stop in 2 seconds
d)
starts from 0 m/s to 20m/s in 5 seconds
16.
An object with an initial velocity of 3.50 m/s moves east along a straight and level path. The object then undergoes a constant acceleration of 1.80 m/s2 east for a period of 5.00 s. How far does the object move while it is accelerating?
a)
6.30 m
b)
17.5 m
c)
27.2 m
d)
40.0 m
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