Find : (1) the speed of car in ms', (ii) the retardation
and (iii) the speed of car after 2 s of applying the
brakes,
Ans. (1) 5 m s', (ii) 1 ms, (iii) 3 ms
6. A car is moving in a straight line with speed
18 km h . It is stopped in 5 s by applying the brakes.
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Answer:
The correct option is A)
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