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## Homework Statement

The system shown in Figure 4.54 has an acceleration of magnitude 1.20 m/s2, where m1 = 3.70 kg and m2 = 7.60 kg. Assume that the coefficient of kinetic friction between block and incline is the same for both inclines.

http://www.webassign.net/serpop/p4-54alt.gif

(a) Find the coefficient of kinetic friction.

(b) Find the tension in the string.

## The Attempt at a Solution

ive tried to compile all the forces into one equation and it turned out like this:

Fk on m1 + Fk on m2 + Fg m1 - Fg m2 = Fnet

n1*muk + n2*muk + m1g - m2g = m2a

-please i need help as fast as possible