Escape speed from Earth is 11.2 km s⁻¹. If Earth’s mass doubles and its radius becomes half the original, what is the new escape speed?

Physics · Gravitation · Acceleration Due to Gravity & Escape Velocity

AIPMT 1997NEET

Escape speed from Earth is 11.2 km s⁻¹. If Earth’s mass doubles and its radius becomes half the original, what is the new escape speed?

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