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Q. A bicycle wheel is rotating at 46 rpm when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.42 rad/s^2

How many revolutions does the wheel make during this time?

Q. A loudspeaker of mass 22.0 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30 {rm m}.

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