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Physics
A fighter aircraft is looping in a vertical plane. The minimum velocity at the highest point is (Given, r = radius of the loop)
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Q. A fighter aircraft is looping in a vertical plane. The minimum velocity at the highest point is (Given, r = radius of the loop)
KEAM
KEAM 2011
Laws of Motion
A
$\sqrt{\frac{1}{2}gr}$
9%
B
$\sqrt{2gr}$
15%
C
$\sqrt{gr}$
54%
D
$\sqrt{3gr}$
14%
E
$\sqrt{4gr}$
14%
Solution:
$mg = \frac{mv^2}{r}$
$v^2 = gr$
$v=\sqrt{gr}$