JEE Main Physics question

PhysicsGravitationJEE Main

A man weighs kg on earth's surface. The height above ground where he will weigh kg is (radius of earth is km) **[Kerala CEE 2003]**

Answer: (B)

Solution

\dfrac{80}{(1+h/r)^2}r)^2\sqrt$2⇒

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Question ID VK-154258