Authors :- Nitesh. Naresh. Narwade , Nidhi. Santosh. Gour

Volume/Issue:  Volume 3 Issue 1

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When wireless remote control toy helicopter is in steady state in air ,in moving train, why it cannot be strike behind the wall of the train?But when the same toy helicopter gets out of window, train will leave behind the helicopter, why?
Keywords:-Helicopter, Train, 1st Observer,2nd Observer.