Home Physics Motion in a Straight Line Relative Motion A bus is moving with a speed of 10 m s -1 on…
Physics Motion in a Straight Line Relative Motion MCQ (Single Correct)

A bus is moving with a speed of 10 m s -1 on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist with what speed should the scooterist chase the bus?

A
40 m s -1
B
25 m s -1
C
10 m s -1
D
20 m s -1

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Verified by Experts
The correct answer is:
D

Let be the velocity of scooter. The distance between the scooter and the bus = 1 km = 1000 m.

The velocity of bus,

Time taken to overtake the bust, t = 100s.

Relative velocity of the scooter w.r.t. the bus =

( )

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