Question

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?

(a) yes, 60° 

(b) yes, 30°

(c) no 

(d) yes, 45°.

Answer 1

(a) : The person will catch the ball if his speed and horizontal speed of the ball are same