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Grade: 11
        
A railroad car of mass M is moving without friction on a straight horizontal track with a velocity u. A man of mass m lands on it normally from a helicopter. what will be the  new velocity of the car?
2 years ago

Answers : (1)

Vikas TU
6874 Points
							
The velocity would be the same that was before and hence it would keep going without friction as the man lands vertically and hence the car moves horizontally and hence no effect of additional vel. of man on to the car.
2 years ago
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