Since you're expressing a difference in temperature, madhiab would be right in saying that only the the factor difference should be important. So the change in temperature in Kalvin would be exactly the same as the temperature difference in degrees Celsius. However, use the same factor you used...
Homework Statement
A ball with mass 'm' is pushed against a spring (with a spring constant 'k') and causes a displacement 'x' on the spring. Once the force is released from, the ball is shot horizontally. What is the velocity 'v' horizontally?
Homework Equations
E(k) = 1/2 mv^2
E(s) =...