A bus is moving with a velocity 10 ms-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, withwhat velocity should the scooterist chase the bus?
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a
50 ms-1
b
40 ms-1
c
30 ms-1
d
20 ms-1
answer is D.
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Detailed Solution
Let the velocity of the scooter be v ms-1. Then(v−10)100=1000 or v=20ms−1