A cable BA is fixed so that the resultant force exerted on the pole is directed along its axis, from B toward O. Determine the x and y coordinates of the end A of the cable BA .

Arigid tank contains 10 kg of air at 137 kpa (abs) and 21°c. more air is added to the tank until the pressure and temperature rise to 242 kpa (abs) and 32°c, respectively. determine the amount of air added to the tank. [r-0.287 kj/kg k]