Question

while returning from the school ,on their way to home ,Sohan and Mohan two brothers saw a speedy truck coming from the wrong side and collided head on with the car .The car was dragged background and stopped after hitting the pavement .the injured car driver got trapped on the seat and needed medical as well as physical help but no one came foreward to rescue him .Sohan immediately call the police and ambulance while Mohan innitiated to break open the door to pull the driver out.The life of the driver was saved due to timely medical help provided to him.
(a)comment on the behaviour of two brothers .

(b) prove that for elastic collision e=1?​​​

Answer 1

Answer:

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