4. [-/2 Points] DETAILS OBINPHYS8 6.Q.030. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER An audio speaker producing a steady sound at an outdoor concert is 26 ft away from you. If you move to a position where the speaker is 80 ft distant, by what factor will the amplitude of the sound change? Af A = Need Help? Read It 5. [-/2 Points] DETAILS OBINPHYS8 6.P.001. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 3.5 m long, its mass is 0.44 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)? kg/m (b) What is the speed of the waves on the rope (in m/s)? m/s Need Help? Read It 6. [-/2 Points] DETAILS OBINPHYS8 6.P.005. A 4.4 Hz continuous wave travels on a Slinky. If the wavelength is 0.49 m, what is the speed of waves on the Slinky (in m/s)? m/s Need Help? Read It MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER