Two balls are thrown with the same speed

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

40\,\text{m s}^{-1}

, one at

30^{\circ}

(ball P) and the other at

60^{\circ}

(ball Q). What is the ratio of their times of flight

T_P:T_Q

? (a)

1:2

(b)

\sqrt{3}:1

(c)

1:\sqrt{3}

(d)

1:1