AIPMT PRELIMS 2009 Physics Relative Velocity MCQ Question
A bus is moving with a speed of 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, with what speed should the scooterist chase the bus?
40 ms⁻¹
25 ms⁻¹
10 ms⁻¹
20 ms⁻¹
Correct Answer
Detailed Explanation
The relative velocity of the scooter with respect to the bus should be such that it covers 1 km in 100 s. Thus, the velocity of the scooter should be 20 ms⁻¹.
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