1. A 47 gram silver bullet traveling at 963 mph strikes an armor plate and comes to a stop. If all its energy is converted to heat that is absorbed by the bullet, what is the bullet's temperature change in degrees Celsius?
2. An iron tower in is 500 feet tall on a cold day (T = -7.1 degrees Celsius). What is its final height (total) of the tower on a hot day when the temperature is 33.8 degrees Celsius? Record your answer in meters to two decimal places.
3. A bungee cord is stretched between two poles 466 meters apart and it has a mass of 630.8 grams. If the force needed to stretch the bungee cord is 376 N, what is the velocity of a wave on this bungee cord?