Acubic inch of pvc material weight 0.063 pounds per cubic inch. what’s the weight of a 36 inch piece of pvc pipe with an outside diameter of 0.82 inches and an inside diameter of 0.75 inches? a. 0.678 pounds b. 0.783 pounds c. 0.598 pounds d. 0.814 pounds

Option B. 0.783 pounds

Step-by-step explanation:

step 1

Find the area of a a 36 inch piece of PVC pipe with an outside diameter of 0.82 inches and an inside diameter of 0.75 inches

The area of a circle is equal to

we have

assume

substitute the values

step 2

Find the volume of the piece of PVC

Multiply the area by its length

step 3

Find the weight of the piece of PVC

Multiply the volume by its density

The density is

so

it is true

step-by-step explanation:

all the combinations add up i used   calculator