Questions
If the angular speed of the earth is doubled, the value of acceleration due to gravity (g) at the north pole
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a
Doubles
b
Becomes half
c
Remains same
d
Becomes zero
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Correct option is C
Acceleration due to gravity at poles is independent of the angular speed of earth.At pole λ=900 ⇒gλ=g-Rω2cos2λ=g-Rω2cos290=g-0=gSimilar Questions
Two planets of radii in the ratio 2 : 3 are made from the material of density in the ratio 3 : 2. Then the ratio of acceleration due to gravity g1 /g2 at the surface of the two planets will be
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