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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Rotational Motion

Olympiad workbook · NSEP · Rotational Motion

Rocket fuel is capable of giving an exhaust velocity of V_ rel =2.4...

Rocket fuel is capable of giving an exhaust velocity of

V_{\mathrm{rel}}=2.4 \mathrm{~km} / \mathrm{s}

in the absence of any external forces. The fuel required per kg of the payload to provide an exhaust velocity of

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

to the rocket is

Options

A3670 kg
B8000 kg
C147.4 kg
D478.4 kg

Correct answer

C. 147.4 kg

Step-by-step solution

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