7.17 A rocket is fired vertically with a speed of from the earth's surface

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

7.17 A rocket is fired vertically with a speed of

5 \mathrm{~km} \mathrm{~s}^{-1}

from the earth's surface. How far from the earth does the rocket go before returning to the earth ? Mass of the earth

=6.0 \times 10^{24} \mathrm{~kg}

; mean radius of the earth

=6.4 \times 10^{6} \mathrm{~m} ; G=6.67 \times 10^{-11} \mathrm{~N} \mathrm{~m}^{2} \mathrm{~kg}^{-2}