Average Speed and Instantaneous Velocity NEET Questions

Physics - Kinematics

Average Speed and Instantaneous Velocity MCQ Questions


13.
A car moves with constant speed along a straight line. The instantaneous velocity of the car at any point is:
A.
Zero
B.
Constant and equal to the speed
C.
Changing
D.
Dependent on time
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ANSWER :
B. Constant and equal to the speed
14.
A particle moves along a straight line and covers equal distances in equal intervals of time. Its average speed is:
A.
Constant
B.
Changing
C.
Zero
D.
Varying
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ANSWER :
A. Constant
15.
A particle moves along a straight line with a velocity given by v(t)=4t−t2 m/s. The time at which the particle comes to rest is:

NEET - 2020

A.
1 s
B.
2 s
C.
4 s
D.
8 s
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ANSWER :
C. 4 s
16.
Instantaneous velocity is measured at a point where:
A.
The slope of the position-time graph is zero
B.
The position-time graph is linear
C.
The slope of the position-time graph is maximum
D.
The slope of the position-time graph is finite
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ANSWER :
B. The position-time graph is linear
17.
A car moves along a straight line with a speed of 30 m/s. What is its average velocity over the time interval of 5 seconds?
A.
30 m/s
B.
15 m/s
C.
60 m/s
D.
0 m/s
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ANSWER :
A. 30 m/s
18.
The instantaneous velocity of an object moving along a straight line is:
A.
The same as average velocity
B.
The rate of change of position
C.
Equal to the average speed
D.
Independent of the direction of motion
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ANSWER :
B. The rate of change of position