A stroboscope is a light that flashes on and off at a constant rate. It can be
Question:
(a) What is the shortest time between flashes of light that will make a three-bladed propeller appear stationary when it is rotating with an angular speed of 16.7 rev/s?
(b) What is the next shortest time?
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a if the propeller is to appear stationary each blade must move through a...View the full answer
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