5. [-/2 Points] DETAILS OBINPHYS8 6.P.001. MY NOTES AS Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 2.1 m long, its mass is 0.52 kg, and the force exerted on it by the children is 61 N. (a) What is the linear mass density of the rope (in kg/m)? kg/m (b) What is the speed of the waves on the rope (in m/s)? m/s Need Help? Read It