Question
A particle is projected along a line of greatest slope up a rough plane inclined at an angle of o 45° with the horizontal. If the coefficient of friction is 1/2 , then the retardation is
Options :
g/√2
g/2√2
(g/√2)(1+1/2)
(g/√2)(1-1/2)
Answer :
(g/√2)(1+1/2)
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