2- If the wavelength of a wave is tripled but the velocity remains the same, how is the frequency changed? A. It is unchanged B. 1/3 of the original value C. 1/9 of the original value D. 3 times the original value E. 9 times the original value - 3-6000 J of heat are removed from a 50 g piece of glass. If the temperature changes from 10 C to 5 C, determine the specific heat of the glass. (Please show all work so I can learn)