Physics

Problem

Projectile A is projected with speed

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

30^{\circ}

to the horizontal, while Projectile B is projected with the same speed at

60^{\circ}

. What is the ratio

H_A:H_B

of their maximum heights? a)

3:1

1:1

1:3

1:\sqrt{3}