1. - the velocity of particle at t = 9 seconds: a. 122 b. 747 c. 167 d. none e. 898 - the acceleration of the particle at t = 9 seconds: a.none b. 42 c. 46 d. 44 e. 48 - the total displacement after 6 seconds: a. -78 b. 100 c. 78 d. 102 e. none - the average speed from t = 0 to t = 6 seconds: a. 20 b. 17 c. -17 d. none e. -13 - the average velocity from t = 0 to t = 6 seconds: a. 20 b. none c. -13 d. 17 e. 13

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Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?