The diameter of a penny is 19.05 mm and is 1.52 mm thick, what is its mass?

Divya Motiwala asked Jul 16, 2023

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10 votes

Divya Motiwala asked Jul 16, 2023

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18 votes

A penny, despite small, is a cylinder. To solve this problem, we will first calculate its volume. Recall that for a cylinder

with radius r and height h the volume of the cylinder is given by the formula

$V\text{ =}\pi r^2\cdot h$

Pravin Sharma answered Jul 21, 2023

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