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Recent questions tagged telegram-47038

(chatquestion)...(0) 6Tr?m?G (B) Tr?m?G A rocket is launched normal to the surface of earth, away from the Sun, along the line joining the Sun and the Earth. The Sun is 3 x 10° times heavier than the Earth and is at a distance 2.5 x10 times larger than the radius of the Earth. The escape velocity from Earth's gravitational field is Ve = 11.2 km s'. The minimum initial (v.) required for the rocket to be able to leave the Sun-earth system is closest to (Ignore the rotation and revolution of the Earth and the presence of any other planet) (A) vs = 22 kms (C) Vs = 62 kms 2. (2017) (B) vs = 42 kms' (D) vs = 72 km s'

asked Jan 23, 2020 by balaji.thirumalai

1 answer

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