Question 541422: a hollow tennis balls has radius of 4.2cm the tennis ball skin is 0.3cm think how much air is contained inside the tennis ball? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! a hollow tennis balls has radius of 4.2cm the tennis ball skin is 0.3cm think how much air is contained inside the tennis ball?
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The ID of the ball is 4.2 - 0.3 = 3.9 cm
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