.The gravitational force between two bodies is decreased by 36% when the distance between them is increased by 3m. The initial distance between them is______.
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the correct answer is gravitational force
Answered by
1
Answer:
r=12 m
Explanation:
F=R2Gm1m2F′=(r+3)2Gm1m2
Given that,
FF′−F=−0.36∴−0.36=r2Gm1m2(r+3)2Gm1m2−r2Gm1m2=(r+3)2r2−1⇒0.64(r2+6R+9)=r2
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