A cylinder can is just big enough to hold three tennis balls. The radius of a te

Question

A cylinder can is just big enough to hold three tennis balls. The radius of a tennis ball is 5cm. What is the volume of air that surrounds the tennis balls? Explain fully your response. A cylinder can is just big enough to hold three tennis balls. The radius of a tennis ball is 5cm. What is the volume of air that surrounds the tennis balls? Explain fully your response. A cylinder can is just big enough to hold three tennis balls. The radius of a tennis ball is 5cm. What is the volume of air that surrounds the tennis balls? Explain fully your response.

Explanation / Answer

Total balls volume = 3balls * volume of each ball = 3*(4/3)*pi*(5^3) = 1570 cm^3

Volume of cyliner = (pi*5^2 * 36 [ height = 2*(3+3+3+3+3+3) = 36 minutes] = 3.14*25*36 = 2826 cm^3

Hence, the volume of air = Vol. of cyliner - Vol. of balls = 2826 - 1570 = 1256 cm^3

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