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A horizontal force is acting on a block moving on a rough horizontal
surface. The force has the same magnitude as the maximum force of
static friction between the block and the surface. If the coefficients
of friction are us = 0.75 and HK = 0.50. Find the acceleration (in m/s2)
%3D
!!
of the block.
1.8
O 5.5
3.5
O 4.5
O 2.5

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