Apsychotherapist suggests that theresa can effectively reduce the anger she feels toward her ex-boyfriend by tearing pictures of him into little pieces. this therapeutic technique is based on the catharsis hypothesis. adaptation-level phenomenon. the concept of flow. feel-good, do-good phenomenon

Acircular pipe of 30mm outside diameter is placed in an airstream at 30 c and latm pressure. the air moves in cross flow over the pipe at 20 m/s, while the outer surface of the pipe is maintained at 110 c. what is the drag force exerted on the pipe per unit length? what is the rate of heat transfer from the pipe per unit length?