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physixguru
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Homework Statement
An insect crawls very slowly on a hemi-spherical shell..
The coeff. of friction between insect and surface of sphere is 1/3.
The line joining the centre of the shell to the insect makes an angle of @ with the vertical.
THE MAX VALUE OF @ IS DEFINED BY...?
a)cosec@=3
b)tan@=3
c)cot@=3
d)sec@=3
Help will be higly appreciated>><<