Q. The escape speed from a planet depends on

किसी ग्रह से भागने की गति निर्भर करती है

Mass only
केवल मास

Radius only
केवल त्रिज्या

Mass and radius
द्रव्यमान और त्रिज्या

Atmosphere
वायुमंडल

Escape speed $v_e$ is given by:

v_e = \sqrt{\frac{2GM}{R}}

where $M$ is the planet’s mass and $R$ its radius. Both factors affect the escape velocity.

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