Hydraulic engineering; a practical treatise on the principles of water pressure and flow and their application to the development of water power, including the calculation, design and construction of water wheels, turbines, and other details of hydraulic power plants (1909)
American School (Chicago, Ill.), Black, Adolph, Turneaure, Frederick Eugene, 1866- · Chicago American School of Correspondence · leaf 109
AND RELATIVE VELOCITIES33. Definitions. While all velocities are in reality relative, itis convenient to define ahsolide velocity as the rate of speed of a movingobject with respect to the surface of the earth; and relative velocityas the rate of speed of a moving object v;ith respect to another… … ■i^wwv 1 V-^ u-vFie 18. Illustrating Absolute and Relative Velocities. which is regarded as stationary; in the other case, the velocity ismeasured from, or referred to, the second moving body, regarded asstationary for this purpose. Thus, let Fig. 18 represent a tank somounted that it may move…
