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Advantages and Disadvantages of Friction

ntA block of ...

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ntA block of mass m is projected horizontally on a conveyer belt of lenght Lon two small rollers moving at speedv . Find the speed with which the block is projected so that the heat dissipated against friction will be maximum.n

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Q. A heavy block of mass m is slowly placed on a conveyor belt moving with speed v. If coefficient of friction between block and the belt is

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Q. With what minimum velocity should the block be projected from left end

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B

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