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Show all work. Answers without clear explanation or derivation will receive no credit. I. (10) A block of wood is projected up an incline plane with initial speed vo-10m/s. The inclination of the plane is 30° and the coefficient of sliding friction is u 0.1. Find the total time for the block to return to the point of projection. Note: Make sure to clearly draw the free body diagrams for the motion up the plane and for the motion down the plane. Find the acceleration going up the plane nd the acceleration going down the plane
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Vo Vo 10 m/s : iction ctiem 30 lit M mas of blsckа , gsm3°..t., zig Co-3げ 2. 2 the intlined When meveing doven wosd. 3 2 ini tral velo cily 0 20 2. 2 S= 8.586 m am ean t .0309 See totat time 9.0301 70 4 = 3.735 Sec.。 mowing upwand a ,86 ms moving doumwad a 4 133 mis-

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