11:48 AM 37% loncapa.tcc.fl.edu My Q&A; Chegg.com LON-CAPA Q2-3 Problem C Main M

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11:48 AM 37% loncapa.tcc.fl.edu My Q&A; Chegg.com LON-CAPA Q2-3 Problem C Main Menu Contents Grades Course Contents » » Quiz 2 » Q2-3 Problem C Timer Notes Evaluate Feedback dp ck-Print Info Q2-3 ProblemC Due in 6 hours,11 minutes A 5.58 kg block located on a horizontal floor is pulled by a cord that exerts a force F-11.3 N at an angle = 23.0above the horizontal. as shown in the Figure The coefficient of kinetic friction between the block and the floor is 0.100. What is the speed of the block 3.90 s after it starts moving? Submit Answer Tries 0/15 Post Discussion Send Feedback

Explanation / Answer

N = mg - Fsin23 = 50.27 N

Fnet = Fx = F*cos31.5 - uN = 11.3*cos23 - 0.1*50.27 = 5.37N

a = Fnet/m = 0.96 m/s^2

V = u+at = 0 + 3.9*0.96 = 3.744 m/s

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