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Back to 15.1 Simple Harmonic Motion

15.1 Exercise 13

Avg difficulty 2.5

Each piston of an engine makes a sharp sound every other revolution of the engine. (a) How fast is a race car going if its eight-cylinder engine emits a sound of frequency 750 Hz, given that the engine makes 2000 revolutions per kilometer? (b) At how many revolutions per minute is the engine rotating?

OpenStax University Physics Volume 1, 15.1 Simple Harmonic Motion, exercise 13

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.