Archive for November 11th, 2009

a) The coefficient of friction between a certain brass block and a large revolving turntable is µ = 0.16. How far from the axis of rotation can the block be placed before it slides off the turntable if the turntable rotates at a constant rate of 33 1/3 rev/min (so that it requires time...
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A young man was showing off his new sports car to his girlfriend. She was thrilled at the speed. “If I do 200 mph, will you take off your clothes?” he asked. “Yes!” said his adventurous girlfriend. And as he gets up to 200, she peels off all her clothes. Unable to keep his...
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