Q1. If 25grams of water at 100 degrees Celsius are mixed with 15 grams of water at 40 degrees Celsius, what temperature will the 40grams of combined water be at once they reach equilibrium?
Q2. Find out the frequency of a sound wave moving through iron at 25 degrees Celsius with a wavelength of 0.601m.
Q3. Sam, who's mass is 67, takes off across level snow on his jet-powered skis. The skis have a thrust of 300 and a coefficient of kinetic friction on snow of 0.13. Unfortunately, the skis run out of fuel after only 18.