Posted by **Rachel** on Wednesday, February 20, 2013 at 6:50pm.

n the figure below, the coefficient of kinetic friction between the block and inclined plane is 0.18 and angle θ = 55°. What is the block's acceleration (magnitude and direction) assuming the following conditions?

(a) It is sliding down the slope.

m/s2

down the slope

(b) It has been given an upward shove and is still sliding up the slope.

m/s2

down the slope

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