A cylinder H cm high has a circumference of C cm. A string makes exactly N complete turns round the cylinder while its two ends touch the cylinder's top and bottom. How long is the string in cm?
pressure to dB?
Project Euler: Problem 7, Nth prime
Make a 1 hot vector
Add two numbers
Number of divisors of a given number
rectangle in circle
center of mass
Speed of light:Experiment
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