Grantham PHY220 Week 1 Assignment Problem 3

Problem 3

What is the surface area of a sphere of diameter 2.4\times 10^2 cm?

Solution:

SA=4\pi r^2=4\pi \left(\frac{2.4\times 10^2\:cm}{2}\right)^2=1.8\times 10^5\:cm^2

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