JEE Previous Year Question
An asteroid is moving directly towards the centre of the earth. when at a distance of is the radius of the earth) from the earths centre, it has a speed of . Neglecting the effect of earths atmosphere, what will be the speed of the asteroid when it hits the surface of the earth (escape velocity from the earth is ? Give your answer to the nearest integer in kilometer/s
Topic: JEE PYQ
Answer: 16. Full step-by-step solution below.
Correct answer: 16
Solution
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