Dear Student, Apparent weight:W' = 0m g' = 0g' = 0g -ω2 R cos2ϕ = 0ω2 R cos2ϕ = gω2 =gR cos2ϕ ω=gR cos230o =4g3R Duration of the day:T=2πω=2π4g3R =2π3R4g=π3Rg

Q.11

Dear Student,

Apparent weight : W' = 0 m g' = 0 g' = 0 g - ω^{2} R \cos^{2} ϕ = 0 ω^{2} R \cos^{2} ϕ = g ω^{2} = \frac{g}{R \cos^{2} ϕ} ω = \sqrt{\frac{g}{R \cos^{2} 30^{o}}} = \sqrt{\frac{4 g}{3 R}} Duration of the day : T = \frac{2 π}{ω} = \frac{2 π}{\sqrt{\frac{4 g}{3 R}}} = 2 π \sqrt{\frac{3 R}{4 g}} = π \sqrt{\frac{3 R}{g}}

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Q.11 ​

Q.11