Determine the coefficient of friction of a 3.0-kg block that is being pulled across a table at a constant velocity with a force of 10.3 N.
(1) 0.35 (3) 0.48
(2) 0.17 (4) 0.52
5. What is the coefficient of friction of the block in problem #4 if the block is
accelerated at a rate of 2.0 m/s 2 with a force of 20.0 N?
(1) 0.48 (3) 0.12
(2) 0.59 (4) 0.85