Questions
The rotation of the earth having radius R about its axis speeds up to a value such that a man at latitude angle 60° feels weightlessness. The duration of the day in such a case is:
detailed solution
Correct option is A
g'=g−Reω2cos2λ,O=g−Reω2cos2λ,ω=gRecos2λ=gRe14=4gRe T=2πωTalk to our academic expert!
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If R is the radius of earth, is its angular velocity and gp is the value of acceleration due to gravity at the poles, then effective value of acceleration due to gravity at the latitude will be equal to
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