1. If a wave traveling through air decreases its wavelength by half, what happens to the wave speed and frequency? 2. A transverse wave is traveling down a rope with mass, m = 10 kg, and length, L = 50 m. If the rope is under a tension force of 2000 N, what is the wave speed of the transverse wave? 3. If a slinky has a mass of 0.5 kg and 100 loops, what is the mass density (m/L) of a slinky that is stretched 5 meters but only 80 loops are stretched? 4. Give one example of where you have experienced the Doppler effect and explain how it represented this scientific principle