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[" A particle moves on a rough horizonta...

[" A particle moves on a rough horizontal ground with "],[" some initial velocity say "v_(0)." If "((3)/(4))" th of its kinetic "],[" energy is lost due to friction in time "t_(0)" ,then "],[" coefficient of friction between the particle and the "],[" ground is "],[[" (a) "(v_(0))/(2gt_(0))," (b) "(v_(0))/(4gt_(0))," (c) "(3v_(0))/(4gt_(0))," (d) "(v_(0))/(gt_(0))]]

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