Average Speed and Instantaneous Velocity NEET Questions

Physics - Kinematics

Average Speed and Instantaneous Velocity MCQ Questions


13.
A man walks 2.5 km to market and returns home. His average velocity for the entire round trip is:
A.
5 km/h
B.
2.5 km/h
C.
0 km/h
D.
Cannot be determined without return speed
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ANSWER :
C. 0 km/h
14.
Position x = 3t³ − 2t + 5 (metres, t in seconds). Instantaneous velocity at t = 1 s is:
A.
7 m/s
B.
3 m/s
C.
11 m/s
D.
5 m/s
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ANSWER :
A. 7 m/s
15.
For uniform motion along a straight line, which statement is correct?
A.
Average speed > |average velocity|
B.
Instantaneous speed > instantaneous velocity magnitude
C.
Average velocity equals instantaneous velocity at all times
D.
Average speed and average velocity are always different
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ANSWER :
C. Average velocity equals instantaneous velocity at all times
16.
A particle moves 40 m east in 4 s, then 30 m west in 6 s. Magnitude of average velocity is:
A.
7 m/s
B.
1 m/s
C.
4 m/s
D.
5 m/s
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ANSWER :
B. 1 m/s
17.
Which of the following can NEVER be negative for motion in one dimension?
A.
Instantaneous velocity
B.
Average velocity
C.
Instantaneous speed
D.
Displacement
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ANSWER :
C. Instantaneous speed
18.
For x = 0.08t³, average velocity between t = 3 s and t = 5 s is:
A.
3.84 m/s
B.
3.92 m/s
C.
4.12 m/s
D.
4.00 m/s
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ANSWER :
B. 3.92 m/s