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Quiz 2
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Q.1
Which of the following scenarios has caused the motion described by the graph?
An object rolling down a slope and then rolling up a slope
An object rolling down a steep slope
An object rolling up a slope and then returning to its original position.
Q.2
What is the area under a speed-time graph equal to?
Acceleration
Distance travelled
Instantaneous speed
Q.3
What does a horizontal line on a speed-time graph indicate?
Constant distance
Constant speed
Constant acceleration
Q.4
A car stops and then starts accelerating uniformly at rate of 3 m s-speed of car afterseconds is
40m/s2
60m/s2
100m/s2
30m/s2
Q.5
Total distance covered in total time taken is termed as
Instantaneous speed
Average speed
Uniform speed
Variable speed
Q.6
Distance in specified direction is termed as
directional distance
Uni directional distance
Displacement
Unidirectional displacement
Q.7
The speed of the truck ism s-afterseconds its speed decreases tom s-its acceleration is
-1m/s2
-2m/s2
-4m/s2
-5m/s2
Q.8
A golf ball starts with a speed of 2 m/s and slows at a constant rate of 0.5 m/swhat is its velocity after 2 s?
0 m/s
0.5 m/s
1 m/s
1.5 m/s
Q.9
An object with an initial velocity of 3.m/s moves east along a straight and level path. The object then undergoes a constant acceleration of 1.m/s2 east for a period of 5.s. How far does the object move while it is accelerating?
6.30 m
17.5 m
27.2 m
40.0 m
Q.10
In each of the following cases, determine which car has the greatest acceleration.
starts from 0 m/s to 20 m/s in 4 seconds.
speed up from 20m/s to 40m/s in 3 seconds
slow down from 50m/s to stop in 2 seconds
starts from 0 m/s to 20m/s in 5 seconds
Q.11
A train travels 6 meters in the first second of travel, 6 meters again during the second second of travel, 6 meters again during the third second. It's acceleration is __ m/s2?
0
6
12
18
Q.12
A ball is thrown into the air. At the highest point, the ball has zero velocity and zero acceleration.
True
False
Q.13
The rate at which velocity changes is called acceleration.
True
False
Q.14
An object is thrown into the air atm/s, straight up. What is its velocity at the highest point?
0 m/s
-9.8 m/s
60 m/s
-60 m/s
Q.15
Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?
10
7
8
6
Q.16
A dog running with an initial speed of 7.5 m/s comes to a stop inseconds. What is the dog's acceleration?
-7.5 m/s
-7.5 m/s2
-0.5 m/s2
7.5 mi//hr
Q.17
A race car starting from rest accelerates uniformly at a rate of 4.m/sWhat is the car's speed after it has traveledmeters?
1960 m/s
62.6 m/s
44.3 m/s
31.3 m/a
Q.18
What is the acceleration of an object moving at constant velocity?
2 m/s2
1 m/s2
0 m/s2
0.8 m/s2
Q.19
A dolphin swims 1.km/hr. How far has the dolphin travelled after 0.6hr?
1.1 km
2.5 km
0.63 km
3.7 km
Q.20
When velocity is negative and acceleration is negative, what happens to the object’s motion?
The object slows down
The object speeds up
Nothing happens to the objects motion
The object remains at rest
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