A movie shot at 30 frames per second shows a moving wagon having wheels that appear not to be rotating.The minimum rotational speed that produces this aliasing is ______ revolutions per second.

Name: A movie shot at 30 frames per second shows a moving wagon having wheels that appear not to be rotating.The minimum rotational speed that produces this aliasing is ______ revolutions per second.
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The Answer is

f _ { a } = 0 \rightarrow f _ { s } = f _ { 0 } = 30 \mathrm { rps }

A Movie Shot at 30 Frames Per Second Shows a Moving