[" 31.A body is projected up a "45^(@)" ...

[" 31.A body is projected up a "45^(@)" rough incline.If the "],[" coefficient of friction is "0.5" ,then the retardation of the "],[" block is "],[[" (a) "(g)/(2sqrt(2))," (b) "(g)/(sqrt(2))," (c) "(3g)/(2sqrt(2))," (d) "(g)/(2)]]

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[" 31.A body is projected up a "45^(@)" rough incline.If the "],[" coefficient of friction is "0.5" ,then the retardation of the "],[" block is "],[[" (a) "(g)/(2sqrt(2))," (b) "(g)/(sqrt(2))," (c) "(3g)/(2sqrt(2))," (d) "(g)/(2)]]

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