A loudspeaker of mass 22 rm kg is suspended a distance of h, Ask an Expert

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Q1. Suppose the mass of the cart is m, and the mass hanging on the end of the string is M.

suppose m = 2940 g and M = 784 g, and the cart accelerates at 0.43 m/s2. Find out μk, the coefficient of kinetic friction between the cart and the track.

Q2. A loudspeaker of mass 22 {rm kg} is suspended a distance of h = 2 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has the length of l = 3.90 {rm m}.

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