Question: Answer the given questions about the indicated examples of this section. In Example 1, if the length is doubled and the thickness is tripled, by

Answer the given questions about the indicated examples of this section.

In Example 1, if the length is doubled and the thickness is tripled, by what factor is the volume changed?

Data from Example 1

What volume of concrete is needed for a driveway 25.0 m long, 2.75 m wide, and 0.100 m thick?
The driveway is a rectangular solid for which l = 25.0 m, w = 2.75 m, and h = 0.100 m. Using Eq. (2.14), we have

V = (25.0)(2.75)(0.100) 6.88 m ||

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ANSWER In Example 1 the volume of the rectangular solid is given as V lwh where l 250 m w 275 m and ... View full answer

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