A ball is projected from a point A with some velocity at an angle 30° with the horizontal as shown in Fig. Consider a target at point B. The ball will hit the target if it is thrown with a velocity v0 equal to
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a
5 m/s
b
6 m/s
c
7 m/s
d
none of these
answer is D.
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Detailed Solution
Applying the trajectory equation we get 0.5=32tan30o−g322v02cos230ov0=∞