Physics, asked by lookb1nuraiTemic, 1 year ago

A railway car of mass 20 tonnes moves with an initial speed of 54km/hr. On applying brakes, a constant negative acceleration of 0.3m/s2 is produced. (i) What is the breaking force acting on the car? (ii) In what time it will stop? (iii) What distance will be covered by the car before if finally stops?

Answers

Answered by chetan9225

3

force= -6000 N
time= 50 sec
distance= 375 m

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