Relative Velocity NEET Questions

Physics - Kinematics

Relative Velocity MCQ Questions


7.
When two objects move in opposite directions, their relative velocity is?
A.
The difference of their velocities
B.
The sum of their velocities
C.
Zero
D.
Equal to their average velocity
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ANSWER :
B. The sum of their velocities
8.
The relative velocity of a particle A with respect to a moving object B, if both are moving in the same direction, is given by?
A.
Velocity of A + Velocity of B
B.
Velocity of A - Velocity of B
C.
Velocity of B - Velocity of A
D.
None of the above
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ANSWER :
B. Velocity of A - Velocity of B
9.
A car is moving at 50 km/h in the east direction and a bus is moving at 30 km/h in the same direction. The relative velocity of the car with respect to the bus is?
A.
80 km/h
B.
50 km/h
C.
30 km/h
D.
20 km/h
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ANSWER :
D. 20 km/h
10.
If two objects are moving at the same speed and in the same direction, their relative velocity is?
A.
Zero
B.
Equal to their speed
C.
Equal to the difference in their speeds
D.
Equal to their sum of speeds
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ANSWER :
A. Zero
11.
A train is moving with a velocity of 20 m/s. A person in the train walks at a velocity of 5 m/s in the opposite direction. The relative velocity of the person with respect to the ground is?
A.
20 m/s
B.
5 m/s
C.
25 m/s
D.
15 m/s
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ANSWER :
D. 15 m/s
12.
A boat is moving with a velocity of 3î + 4ĵ m/s with respect to the ground. The water in the river is flowing with a velocity of -3î - 4ĵ m/s with respect to the ground. The relative velocity of the boat with respect to the water is:

NEET - 2018

A.
6î + 8ĵ m/s
B.
-6î - 8ĵ m/s
C.
0 m/s
D.
3î + 4ĵ m/s
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ANSWER :
A. 6î + 8ĵ m/s