A body thrown vertically upward with initial speed sqrt (gR), where R is the radius of earth. Then maximum height reached by body from the surface of earth is
1) R/2
2) 3R/2
3) R
4) R/4
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A body thrown vertically upward with initial speed sqrt (gR), where R is the radius of earth. Then maximum height reached by body from the surface of earth is
1) R/2
2) 3R/2
3) R
4) R/4
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correct answer is R/2
Answer:
Max height, h = R
Just use energy conservation