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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Gravitation

Olympiad workbook · NSEP · Gravitation

At the Earth's surface, a projectile is launched straight up at a...

At the Earth's surface, a projectile is launched straight up at a speed of

10.0 \mathrm{~km} / \mathrm{s}

. Height to which it will rise is [ g at surface of Earth

=9.8 \mathrm{~ms}^{-2}

and radius of earth

\mathrm{R}=6400 \mathrm{~km}

]

Options

A $1.63 \times 10^3 \mathrm{~km}$
B $1.56 \times 10^4 \mathrm{~km}$
C $2.52 \times 10^4 \mathrm{~km}$
D $5.1 \times 10^3 \mathrm{~km}$

Correct answer

C. $2.52 \times 10^4 \mathrm{~km}$

Step-by-step solution

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