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Question

A ball is projected from a point A with some velocity at an angle 30 with horizontal as shown in figure. Consider a target at point B. The ball will hit the target. It is thrown with velocity v0 equal to


A

5 m/s

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B

6 m/s

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C

7 m/s

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D

None

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Solution

The correct option is D

None


Apply equation of trajectory y

y=x tan θgx22u2 cos2 θ

Place x=32 , y = 0.5m

and θ=300
For no value of u given case is possible.


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