Glycerin at 20 °c flows upward in a vertical 75-mm- diameter pipe with a centerline velocity of 1.0 m/s. determine the head loss and pressure drop in a 10-m length of the pipe.

Aball is rolled uphill a distance of 5 m before it slows, stops, and begins to roll back. the ball rolls downhill 9 m before coming to rest against a tree. what is the magnitude of the balls displacement? a. 4 meters b. 9 meters c. 14 meters d. 45 meters