Discuss the below:
Q1) A Carnot engine has a power output of 150 kW. The engine operates between two reservoirs at 20.0C and 500C. How much energy does it absorb per hour?
Q2) The internal energy in a monatomic ideal gas is 2.00 * 10^4J. The volume of the gas is 2.00 liters. What is the pressure in the gas?
Q3) A uniform plank with a length of 6.00 m and a mass of 30.0 kg rests horizontally across two horizontal bars of a scaffold. The bars are 4.50 m apart and 1.50 m of the plank hangs over one side of the scaffold. How far can a painter with a mass of 70.0 kg walk on the overhanging part of the plank before it tips?