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Discuss about the gravitational force

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Reference no: EM131604595

Question: A thin uniform rod of length l cm and a small particle lie on a line separated by a distance of a cm. If K is a positive constant and F is measured in new tons, the gravitational force between them is

F = K/a(a + l)

(a) If a is increasing at the rate 2 cm/min when a = 15 and l = 5, how fast is F decreasing?

(b) If l is decreasing at the rate 2 cm/min when a = 15 and l = 5, how fast is F increasing?

Reference no: EM131604595

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