The length ℓ, width w, and height h of a box change with time. At a certain instant, the dimensions are ℓ = 6 m and w = h = 3 m, and ℓ and w are increasing at a rate of 1 m/s while h is decreasing at a rate of 9 m/s. At that instant find the rates at which the following quantities are changing.
a) The volume.
b) The surface area.
c) The length of the diagonal. (Round answer to two decimal places)
It is given that, the length(l), width(w) and height(h) of a box change with time(t).
And at a certain instant, length(l)=6m, width(w)= 3m and height(h)=3m.
To find the rate at which the following quantities are changing at time(t).
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