A ball is thrown from a point with a speed ν0 at an angle of projection θ. From the same point and at the same instant, a person starts running with a constant speed ν0/2 to catch the ball. Will the person be ableto catch the ball? If yes, what should be the angle of projection?
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a
Yes, 600
b
No
c
Yes, 300
d
Yes, 450
answer is A.
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Detailed Solution
Person will catch the ball, if his velocity will be equal to horizontal component of velocity of the ball.⇒v02=v0cosθ⇒cosθ=12⇒θ=60°
A ball is thrown from a point with a speed ν0 at an angle of projection θ. From the same point and at the same instant, a person starts running with a constant speed ν0/2 to catch the ball. Will the person be ableto catch the ball? If yes, what should be the angle of projection?