physics
posted by anonymous .
To move a large crate across a rough floor, you push on it with a force F at an angle of 21°, below the horizontal, as shown in the figure. Find the acceleration of the crate, given that the mass of the crate is m = 38 kg, the applied force is 329 N and the coefficient of kinetic friction between the crate and the floor is 0.52.

Use the same approach used here. Only the numbers have changed.
http://www.jiskha.com/display.cgi?id=1299462922 
12.6
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