Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 4.3 m long, its mass is 0.30 kg, and the force exerted on it by the children is 53 N. (a) What is the linear mass density of the rope (in kg/m)? :ikg/m (b) What is the speed of the waves on the rope (in m/s)? :1 m/s