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Constrained Motion : Intuitive Approach

A ball is pro...

Question

A ball is projected with velocity u making an angle $θ$ with the horizontal. The magnitude of velocity at the instant when it is perpendicular to its initial velocity of projection

A

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B

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C

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D

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Solution

The correct option is C

Graph

u cos $θ$ = v sin $θ$

v = u cot $θ$

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