Q. How many kilograms of water at 100 degrees Celsius can be converted to steam by the addition of 1.13X10^7 joules of thermal energy?
Q. A horizontal force of 147 N is used to push a 49kg packing crate a distance of 5m on a rough horizontal surface. The acceleration of gravity is 9.81m/s2. If the crate moves with constant velocity, compute the coefficient of kinetic friction.