15 Question 2 (35 point): It is proposed to meet the water needs of recreational vehicle by installing a 5-m-long. 1.5-m-diameter cylindrical tank on top of the vehicle. Determine the additional power needed a speed of 100 km/h when the tank is installed such that its circular surfaces face (a) the front and back (as sketched) and (b) the sides of the vehicle. Assume atmospheric conditions are 87 kPa and 20C