A river having a mean depth of two meters and an average velocity of 8.5 m/s has a width of 75m. It is desired to increase the water depth to a height of 9m above the bottom channel on the upstream side. Determine the height of an anicut considering the velocity of approach. Note: Anicut or raised weir is a masonry dam provided across a river for the purpose of raising the water level on the upstream side to a sufficient extent in the dry season so that water can be carried by gravitation to places which it could not reach. Figure 3: dul dn₂ hinder ANICUT ON RAISED WEIR

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Time and time related variables in engineering

Time is the event progression starting from past to present and then, future statistically. The time-related variable is any particular value in relation to time to assess its changes on a specified (XY) plane.