Two stones are projected with the same initial speed

PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

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

, one at an angle of

30^\circ

and the other at

45^\circ

to the horizontal. (i) Calculate the ratio of their horizontal ranges

R_{30}:R_{45}

. (ii) Calculate the ratio of their maximum heights

H_{30}:H_{45}