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April 21, 2014

Homework Help: physics

Posted by Anonymous on Tuesday, October 9, 2012 at 10:53pm.

Question Part
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Submissions Used
1 2
–/1 –/2
0/3 0/3
Total
–/3

A force of 12.8 N pulls horizontally on a 0.9 kg block that slides on a rough, horizontal surface. This block is connected by a horizontal string to a second block of mass m2 = 2.04 kg on the same surface. The coefficient of kinetic friction is ľk = 0.19 for both blocks.
(a) What is the acceleration of the blocks?
m/s2
(b) What is the tension in the string?
N

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