A 4.5 kg block supported by a string rests on a frictionless incline. The length of the string is 0.2 m and its mass of 3.8 g ? 4.5 kg. Find the time it takes a transverse wave to travel from one end of the string to the other. The acceleration of gravity is 9.8 m/s 2. Answer in units of ms. 41 degree angle.