MHT CET Physics question
A mass 'm' suspended from a spring stretches it by 5 cm when on the surface of the earth. The mass is then taken on to a height of 1600 km above earth's surface and again suspended from the same spring. A this altitude the extension of the spring is (Radius of earth = 6400 km) [MHT-CET 2022]
Answer: (A)
Solution
Extension , and , so extension =
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