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April 23, 2014

Homework Help: Physics

Posted by Josh on Tuesday, January 25, 2011 at 3:02am.

A 390 kg motor boat, moving down a frictionless ramp, is connected over a massless pulley to a 193 kg counterweight that rests on a horizontal surface. The ramp is inclined by 28.6, and the co-efficient of kinetic friction between the couterweight and the horizontal surface is 0.507.
What is the tension in the rope connecting the boat and the counterweight?

Formula:
X-axis: m1gcos0=mTa
m2gcos9=mTa
Y-Axis: mgsin0 = 0

So I'm really stuck here. I tried to figure out the relative formula's but I think I'm doing it wrong. I just need help getting started. Thanks!

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