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A man is travelling on a flat car which is moving up a incline plane incline at 37 to the horizontal with speed 5m/s.He throws a ball towards a stationary hoop located perpndicular to the incline in such a way that the ballmoves parallel to the slope of incline while goinh through the centre of hoop.The centre of the hoop is 4m high from the man’s hand. calculate the time taken by the ball to reach the hoop.

A man is travelling on a flat car which is moving up a incline plane incline at 37 to the horizontal with speed 5m/s.He throws a ball towards a stationary hoop located perpndicular to the incline in such a way that the ballmoves parallel to the slope of incline while goinh through the centre of hoop.The centre of the hoop is 4m high from the man’s hand. calculate the time taken by the ball to reach the hoop.

Grade:12th pass

1 Answers

Ashish chauhan
13 Points
4 years ago
Cos p = 4/5
=37•
Hma=4m 
U^2sin^p/16=4
.
. 
. 
Hma=4m
Vsinp=8m/s
 
_4=8t_5t^2
T=2s
Total time of flight is 2s so the time at hma i.e time taken to reash the hoop is (2/2s) 1s
 

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