Q.
A ball is thrown from a point with a speed v0 at an angle of projection θ. From the same point and at the same instant, a person starts running with a constant speed v0/2 to catch the ball. Will the person be able to catch the ball? If yes, what should be the angle of projection?
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a
Yes, 60°
b
Yes, 30°
c
No
d
Yes, 45°
answer is A.
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Detailed Solution
For the person to be able to catch the ball, the horizontal component of velocity of the ball should be same as the speed of the person, i.e.,v0cosθ=v02 of cosθ=12 of θ=60∘
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