Asked by Anonymous
a ball with a r of 2inches weighs 2.40 lb.find the weight of a ball of the same material with 3 inches r
Answers
Answered by
drwls
Weight and volume are proportional to r^3. Multiply the weight of the smaller ball by (3/2)^3 , which is 27/8 = 3.375.
2.40 lb x 3.375 = ____ lb
2.40 lb x 3.375 = ____ lb
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