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. A car is moving in a straight line with speed18 km h-l. It is stopped in 5 s by applyingthe brakes. Find : (i) the speed of car in ms(ii) the retardation and (iii) the speed of carafter 2 s of applying the brakes. |
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Answer» t=5secv=0m/sec therefore, a =v-u/ta=0-5/5a=-1m/sec2 or Retardation = 1m/sec2 |
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