The coefficient of friction between a hemispherical bowl and an insect is√0.44 and the radius of the bowl is 0.6m. The maximum height to which an insect can crawl in the bowl will be
A
0.4 m
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B
0.2 m
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C
0.3 m
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D
0.1 m
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Solution
The correct option is C 0.1 m The problem is same as a block sliding on an inclined plane where friction is there. mgsinθ=μmgcosθ ⇒tanθ=μ cosθ=1√1+tan2θ=1√1+μ2 h=r[1−1√μ2+1] =0.6×[1−1√1+0.44]=0.1m