PhysicsMedium159×since 2002Q7208A 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 )A33.6B11.2C16.8D67.2Check answerSkip