First slide

Projection Under uniform Acceleration

Question

A ball is thrown from a point with a speed v_o at an angle of projection $θ$ . From the same point and at the same instant, a person starts running with a constant speed $\frac{v_{o}}{2}$ to catch the ball. Will the person be able to catch the ball? If yes, what should be the angle of Projection?

Moderate

A

Yes, 60°
B

Yes, 30°
C

No
D

Yes, 45°

Solution

To catch the ball v₀ cos $θ$ = $\frac{v_{0}}{2}$ $\Rightarrow$ $θ$ = 60°

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