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A 15-kg rock is dropped from rest on the earth and reaches
Chapter 2, Problem 47E(choose chapter or problem)
A 15-kg rock is dropped from rest on the earth and reaches the ground in 1.75 s. When it is dropped from the same height on Saturn’s satellite Enceladus, it reaches the ground in 18.6 s. What is the acceleration due to gravity on Enceladus?
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QUESTION:
A 15-kg rock is dropped from rest on the earth and reaches the ground in 1.75 s. When it is dropped from the same height on Saturn’s satellite Enceladus, it reaches the ground in 18.6 s. What is the acceleration due to gravity on Enceladus?
ANSWER:Solution 47E Let the height of drop be h. For a body, dropped from rest, this height is given by 1 2 h = 2t g = 2h/t …..(1) Therefore, from the equation 1, acceleration due to gravity is inversely proportional to