A water tank is being drained and has the shape of a rectanuglar box 7m long, 6m wide and 5m high. How fast is the water depth changing when the water depth is 0.9m?
We can express the volume of water in the tank after time t in terms of height x of the water in the tank as shown below:
Let us find the remaining volume of water when height is x = 0.9:
We have been given a rectangular water tank with length 7 m, width 6 m and height 5 m.
We can express the volume of water when height of water in the tank is x meters as V=7*6*x = 42x
Let us now find the rate of change of
Let us now find the time when volume is ...
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