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A ball is projected with a velocity 20 m/s at an angle to the horizontal. In order to have maximum range, what should be its velocity at the highest point???

A ball is projected with a velocity 20 m/s at an angle to the horizontal.


In order to have maximum range, what should be its velocity at the highest point???

Grade:11

1 Answers

Vikas TU
14149 Points
3 years ago
When the velocity becomes perpendicular to initial velocity following condition must hold true.
gt sin30 = v ( think why ? Hint: geometric method of vector addition )
t = v/ g× sin30
= 20/9.8× 0.5
= 4.08 seconds

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