A block of mass 14.2 kg is sliding at an initial velocity of 6.15 m/s in the positive x-direction. The surface has a coefficient of kinetic friction of 0.153. (Indicate the direction with the signs of your answers.)
(a) What is the force of kinetic friction (in N) acting on the block?___ N
(b) What is the block's acceleration (in m/s2)? ___m/s2
Solution.
a)
;
b)
Answer:
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