1. The hearing range of a normal human ear is from 20 to 20000 Hz. If the speed of the sound in air is 340 m/s, what are the shortest and the longest wavelengths that the human ear can hear? 2. If the speed of wave in passing from medium A to medium B doubles while keeping the frequency constant, what happens to the wavelength? 3. Suppose that two-point charges, each with a charge of +1.00 Coulomb are separated by a distance of 1.00 meter. Determine the magnitude of the electrical force of repulsion between them.
1. The hearing range of a normal human ear is from 20 to 20000 Hz. If the speed of the sound in air is 340 m/s, what are the shortest and the longest wavelengths that the human ear can hear? 2. If the speed of wave in passing from medium A to medium B doubles while keeping the frequency constant, what happens to the wavelength? 3. Suppose that two-point charges, each with a charge of +1.00 Coulomb are separated by a distance of 1.00 meter. Determine the magnitude of the electrical force of repulsion between them.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Direction: Show the complete solution for the following problems. Use a
clean sheet of paper in answering.
1. The hearing range of a normal human ear is from 20 to 20000 Hz. If
the speed of the sound in air is 340 m/s, what are the shortest and the
longest wavelengths that the human ear can hear?
2. If the speed of wave in passing from medium A to medium B doubles
while keeping the frequency constant, what happens to the
wavelength?
3. Suppose that two-point charges, each with a charge of +1.00 Coulomb
are separated by a distance of 1.00 meter. Determine the magnitude of
the electrical force of repulsion between them.
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