A spillway 38.9 ft long releases flood run-off from a reservoir 46,000 m² in area. The initial head is at elevation 65.5 m and the permanent crest is at elevation 64.0 m. If the water releases in 0.7 hrs, what is the final elevation of water surface?  a. 64.5 m b. 65.0 m c. 65.5 m d. 66.0 m

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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.