An insect is at the bottom of a hemispherical ditch of radius 
. It crawls up the ditch but starts slipping after it is at height 
from the bottom. If the coefficient of friction between the ground and the insect is 0.75 , then 
is : 
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
For balancing, 
[ 
radius, 
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