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A car A is traveling on a straight level...

A car A is traveling on a straight level road with a uniform speed of 60 km/h. It is followed by another car B which is moving with a speed of 70 km/h. When the distance between them is 2.5 km, the car B is given a deceleration of `20 "km/h"^2`. After what distance and time will B catch up with A

A

32.5 km, 0.5 hr

B

16.5 km, 1 hr

C

4 km, 2hr

D

3.25 km, 1.5 hr

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The correct Answer is:
A
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