A motor bike running at 90 km/hr is slowed down to 54 km/hr by the application of brakes, over a distance of 40 m. If the brakes are applied with the same force , Calculate a) total time in which car comes to rest and b) distance travelled by it. 

Dear Student ,
Here is a link given below which will help you to solve this question with proper explnation .
https://www.meritnation.com/ask-answer/question/a-motor-car-slows-down-from-72km-hr-to-36km-hr-over-at-a-dis/science/8152895

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