A stroboscope is a light that flashes on and off at a fix


A stroboscope is a light that flashes on and off at a fix rate. It can be used to illuminate a rotating object, and if the flashing rate is adjusted correctly, the object can be made to appear stationary.

a.) Determine the next shortest time?

b.) Find 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 14.8rev/s?

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Physics: A stroboscope is a light that flashes on and off at a fix
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