Basic Maths and Units and DimensionsHard

Question

If earth is supposed to be a sphere of radius R, if g30 is value of acceleration due to gravity at Latitude of 30o and g at the equator. The value of (g - g30) is

Options

A.ω2R
B.ω2R
C.ω2R
D.ω2R

Solution

g′ = g - ω2Rcos2λ
g30 = g - ω2Rcos230 = g - ω2R
g - g30 = ω2R

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