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in Physics by (150k points)

Acceleration due to gravity is given by g = (GM / R2) what is the equation of the fractional error Δg/g in measurement of gravity g ? [G & M constant]

(a) – (ΔR / R)  (b) 2 (ΔR / R)  (c) – 2(ΔR / R) (d) (1/2) (ΔR / R)

1 Answer

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by (266k points)
 
Best answer

 (b) 2 (ΔR / R)

Explanation:

g = [(GM) / R2]

 ∵ G & M are constant g is function of (1/R2) i.e. (1/R)2 fractional error (Δg / g) = 2(ΔR / R)  

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