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A boys throws the ball with a speed of 12m/ sec and act an angle of 60 digree with the horizontal with what speed he should run just after throwing the ball so he many caught the ball

A boys throws the ball with a speed of 12m/ sec and act an angle of 60 digree with the horizontal with what speed he should run just after throwing the ball so he many caught the ball
 

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Grade:11

1 Answers

Eshan
askIITians Faculty 2095 Points
5 years ago
Dear student,

To catch the ball, the horizontal displacement of the boy and the ball in same time must be same. Hence their velocities in horizontal direction must be same.

\implies v_{ball}=v_{ball}cos60^{\circ}=6m/s

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