SOLUTION: A tennis ball can in the shape of a cylinder holds three tennis balls snugly. If the radius of a tennis ball is 3.5cm, what percentage of the tennis ball can is occupied by air?
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Question 173465: A tennis ball can in the shape of a cylinder holds three tennis balls snugly. If the radius of a tennis ball is 3.5cm, what percentage of the tennis ball can is occupied by air?
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
volume of a cylinder
:
volume of a sphere
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let V(C) be the volme of the tennis can and V(S) be the volume of a tennis ball
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height of sphere is 3(7)=21....diameter of each ball is 7cm
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---->
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cu cm
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---->
:
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we must multiply the V(S) by 3 since there are 3 balls
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The volume of the air will be V(C)-3V(S)
:
Volume of aircu centimeters
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