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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Motion in Two Dimensions

Olympiad workbook · NSEP · Motion in Two Dimensions

The velocity of a projectile at the highest point of its trajectory...

The velocity of a projectile at the highest point of its trajectory is

\sqrt{0.4}

of its velocity at a point at half its maximum height. The angle of projection is

Options

A $30^{{}^{{}^{\circ}}}$
B $45^{{}^{{}^{\circ}}}$
C $60^{{}^{{}^{\circ}}}$
D $\tan ^{-1}(\sqrt{0.4})$

Correct answer

C. $60^{{}^{{}^{\circ}}}$

Step-by-step solution

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