5.3 (a) A dog sticks his head out the window of a truck cursing down the road at 30 mph . What is the maximum pressure on his face? (b) The dog then gets the opportunity to ride in a Porsha on the Autobahn in Germany and again sticks his head out the window. The speed is now 150 mph . What is the maximum pressure on his face now? The density of air
\rho =0.00238slu(g)/(f)t^(3)