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A. A block is pulled along a horizontal surface by a force of 12.0 N. The block has a mass of 4.00 kg and it accelerates at 2.00 m/s. Find the coefficient of kinetic friction for the interface between the block and the surface. B. A stone falls vertically through the air and experiences a drag force. If the stones mass is 6.00 kg. and the drag force (upwards force) is 14.0 N, what is the acceleration of the stone? e. A 15 0-kg box has a rubber bottom itis s liding on a horizontal sheet of ice with a 30.0-N horizontal force applied to it Coefficient of friction is 0.22 Determine: a. b. The force of friction on the box The acceleration of the box c. Later, the horizontal force is reduced to 20.0-N. Determine the acceleration of the d. Is this static of kinetic friction box for this condition. D. A block is pulled along a horizontal surface by a force of 12.0 N. The block has a mass of 6.00 kg and it accelerates at 1.00 m/s. Find the coefficient of kinetic friction for the interface between the block and the surface
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