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A ball is shot from the ground into the air.At a height of 9.1m ,its velocity is found to be 7.6 i +6.1 j m/s. To what maximum height the ball will raise.

A ball is shot from the ground into the air.At a height of 9.1m ,its velocity is found to be 7.6i+6.1j m/s. To what maximum height the ball will raise. 

Grade:11

1 Answers

Badiuddin askIITians.ismu Expert
148 Points
14 years ago

Dear sindhuja

velocity at hight 9.1m is 7.6i + 6.1j m/s

it it wil raise hight h

u=6.1 m/s (verticle component)

v=0

v2=u2-2gh

0=6.12-2g h

h=6.12/2g

h=1.9 m

so total hight =9.1+1.9 =11m

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