The uniform thin pole has a weight of 30 lb and a length of 26 ft. the coefficient of static friction is μs = 0.3. if it is placed against the smooth wall and on the rough floor in the position d = 10 ft, will it remain in this position when it is released? (f

An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.