A railway car of mass 20 tonnes moves with an initial speed of 54 km/hr. On applying brakes, a constant negative acceleration of 0.3 m/s is produced. 1) what is the breaking force acting on the car? 2) in what time it will stop? 3) what distance will be covered by the car before if finally stops?

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Answers

2016-04-23T10:50:35+05:30
1) 6000 N
2) 3 mins
3) 3.6 km

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