Q1. If one end of a heavy rope is attached to a light rope and wave is sent down the heavy rope. What would happen to the frequency, speed and wavelength as it changes to the light rope?
Q2. An automobile club plans to race a 780 kg car at the local racetrack. The car needs to be able to travel around several 170 m radius curves at 85 km/h. What must the banking angle of the curves be so that the force of the pavement on the tires of the car is in the normal direction? (Hint: What does this requirement tell you about the frictional force?)