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A child traveling in a train throws a ball outside with a speed v .according to a child who is standing on the ground the speed of the ball is

Same as v

Greater than v

Less than v

None of the above

Asked by Karthika.m.nair01 26th February 2019, 11:04 AM
Answered by Expert
Answer:
When ball leave the contact from train it will have both horizontal velocity (along the direction of moving train), as well vertically downward velocity due to gravity  so net velocity will be vector sum of these to velocity.  Since both of the velocity is perpendicular to each other the the velocity observed by child on the ground will be greater than v.
Answered by Expert 26th February 2019, 6:58 PM
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