Q. A container of hot water at 80 degrees cools to 79 degrees in 15 seconds while it is placed in a room that is t 20 degrees. Use newton's law of cooling to estimate the time it will take for the container to cool from 50 degrees to 49 degrees?
Q. A cubic box of volume 6.10×10-2 is filled with air at atmospheric pressure at 20. The box is closed and heated to 178.00.
What is the net force on each side of the box?