The coefficient of kinetic friction between the surface and the masses is k = 0.

Two masses m1 = 10 kg and m2 = 8 kg are attached with a massless string and are arranged as in the figure below. The coefficient of kinetic friction between the surface and the masses is μk = 0.20. 

a) write Newton's law 2nd law for each mass

b) Find the acceleration of the system

c) find the tension in the string