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CGP EDU Academic Team
Published on: September 12, 2026
A rocket is launched with velocity 10 km/s. If radius of earth is R, then maximum height attained by it will be
Text Solution
Verified by ExpertsThe correct answer is:
C
if body is projected with velocity $v(V < V_e)$ then height upto where it rises
$h = \left[ R / \left\{ \left( \frac{V_e^2}{V^2} \right) - 1 \right\} \right]$
=[R/{(11.2/10)^2 - 1}] - ... - ... - V_e = 11.2 km/s
$h = 3.93 R$
$h \approx 4R$
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