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Gravitation question

2023 · 13 Apr · Shift 1 · Q47
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  5. /2023 · 13 Apr · Shift 1 · Q47

Gravitation question

2023 · 13 Apr · Shift 1 · Q47

JEE MainPhysicsGravitationMCQ+4 / −1
A planet having mass 9Me9 \mathrm{Me}9Me and radius 4Re4 \mathrm{R}_{\mathrm{e}}4Re​, where Me\mathrm{Me}Me and Re\mathrm{Re}Re are mass and radius of earth respectively, has escape velocity in km/s\mathrm{km} / \mathrm{s}km/s given by: (Given escape velocity on earth Ve=11.2×103 m/s\mathrm{V}_{\mathrm{e}}=11.2 \times 10^{3} \mathrm{~m} / \mathrm{s}Ve​=11.2×103 m/s )
  1. A
    33.6
  2. B
    11.2
  3. C
    16.8
  4. D
    67.2
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