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Problem 14.15 The two blocks A and B have weights WA-72 lb and Wp 13 lb (Figure 1) Part A If the kinetic coefficient of friction between the incline and block A is A4-02. determine the speed of A after it moves 3 ft down the plane starting from rest. Neglect the mass of the cord and pulleys Express your answer to three significant figures and include the appropriate units. ft 4· 13.08 Submit X Incorrect; Try Again; 4 attempts remaining Next Provide Feedback Figure く1of1 0 s.
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42ル Solution Kinematics The ppeed t the block Can sin pasihon cosndnnde on SA ラ254 ~ SB- L A - A3p veyFation of Motion -321 420) 42/322 tne whol Syate , WA uwhich adts im the directioのoftne dis placement does ositive-aonk, . w케296-2, 4.56-48 ) 2732.2 So vg= 59455s

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