A fighter aircraft is looping in a vertical plane. The minim... | Physics | SolveeIt | Solveeit

Today, August 18

Question

A fighter aircraft is looping in a vertical plane. The minimum velocity at the highest point is (Given, r = radius of the loop)

A

$\sqrt{\frac{1}{2}gr}$

B

$\sqrt{2gr}$

C

$\sqrt{gr}$

D

$\sqrt{3gr}$

Answer

$\sqrt{gr}$

Explanation

Solution

$mg = \frac{mv^2}{r}$
$v^2 = gr$
$v=\sqrt{gr}$