1. The problem statement, all variables and given/known data Suppose a cup of boiling water (m=250g) instantaneously cools to room temperature (25°C) with the liberated thermal energy going into translational KE. How fast will the cup fly off the table? Assume the water molecules have 18 degrees of freedom. 2. Relevant equations Q=mcΔT Uwater=9nRT (not sure about this one) 3. The attempt at a solution So what I first did was try to calculate Q: Q=mcΔT Q=(250g)(1)(25-100) Q=-18750 cal I then converted calories to joules: -18750 cal x 4.186 J = -78487.5 J. I am not sure where to go after this. Any help?