ch06-p016 - 16(a We apply Newtons second law to the...

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16. (a) We apply Newton’s second law to the “downhill” direction: mg sin θ f = ma , where, using Eq. 6-11, f = f k = μ k F N = k mg cos θ . Thus, with k = 0.600, we have a = g sin k cos = –3.72 m/s 2 which means, since we have chosen the positive direction in the direction of motion (down the slope) then the acceleration vector points “uphill”; it is decelerating.
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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