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In the diagram the variation of coefficient of friction of the surface is shown The...

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In the diagram the variation of coefficient of friction of the surface is shown The external force F applied on board is equal to 2 Mg Now the board of mass M is gently pushed so that it starts moving The variation of acceleration a of board with respect to displacement x has been shown Find the value of tan0 tan 03 smooth a Best answer A 0 B C KAKAH D Coefficient of friction for A to B 3 B to C 2 C to D and remaining surface is smooth Ma 2 Mg X If the block has moved by distance x g 3 F smooth Mg 2 Mg 3 Mg 3 3 3l e x 2 g 3 g 3 3l a 2 g da 3 g dx 3l for 2nd and 3rd cells similarly tan 0 tan 0 tan 0 3 2 1 x

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