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A bol is thrown from a point on ground at some angle of projection . At the same time a bird starts froma a point directly above this point of projection at a hight ‘h’ horizontally with speed ‘u’ . Given that in its flight ball just touches th bird at one point. Find the distance on grounhd where ball strikes

A bol is thrown from a point  on ground at some angle of projection . At the same time a bird starts froma a point directly above this point of projection at a hight ‘h’ horizontally with speed ‘u’ . Given that in its flight ball just touches th bird at one point. Find the distance on grounhd where ball strikes
 

Grade:11

1 Answers

Arun
25750 Points
6 years ago
v cos θ = u 

h = u^2 sin 2θ/ 2g 

v sin θ= √2gh 

R = 2 u sin θ u cos θ/g 

= 2√2gh u/g 

=2u√2h /√g
Hope it helps

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