Question

Two identical balls are projected, one vertically up and the other at an angle of ${30}^{\circ }$ with the horizontal, with same initial speed. The potential energy at the highest point is in the ratio

• A. 4 : 3
• B. 3 : 4
• C. 4 : 1
• D. 1 : 4

Answer 1

The correct option is C 4 : 1

$h_1=\frac{u^2}{2g},h_2=\frac{u\text{sin}{30}^{\circ }}{2g}=\frac{u^2}{8g}$
$h_1:h_2=4:1$