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Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 2.9 m long, its mass

Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 2.9 m long, its mass is 0.38 kg, and the force exerted on it by the children is 37 N

a)What is the linear mass density of the rope (in kg/m)?

b)What is the speed of the waves on the rope (in m/s)

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