# What is an amplitude in math Amplitude Formula

Definition Of Amplitude Amplitude is half the distance between the minimum and maximum values of the range of a periodic function with a bounded range. In other words, for functions of the form y = A sin b? or y = A cos b?, the amplitude is |A|. Feb 04,  · Amplitude is the maximum displacement of points on a wave, which you can think of as the degree or intensity of change. This maximum .

For an object in periodic motion, the amplitude is the maximum displacement from equilibrium. For example, a pendulum swings through its equilibrium point straight downthen swings to a maximum distance away from the center. This distance is the amplitude, A. The full range of the pendulum has a magnitude of 2A. Periodic motion also applies to things like springs and waves. The unit for amplitude is meters m.

What is the amplitude of the oscillation? The amplitude A can be found by rearranging the formula:. The sine of 8. The amplitude of the bouncing is 5. What is the position of the Jack-in-the-box head, relative to the equilibrium position, at the following times:.

The position of the Jack-in-the-box head, relative to equilibrium, is x, and can be found from the formula. Toggle navigation. Amplitude Formula For an object in periodic motion, the amplitude is the maximum displacement from equilibrium. Amplitude Formula Questions: 1 A pendulum is swinging back and forth.

How to password protect your files amplitude A can be found by rearranging the formula: The sine of 8. What is the position of the Jack-in-the-box head, relative to the equilibrium position, at the following times: a 1.

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The Amplitude is the height from the center line to the peak (or to the trough). Or we can measure the height from highest to lowest points and divide that by 2. The Phase Shift is how far the function is shifted horizontally from the usual position. The Vertical Shift is how far the function is shifted vertically from the usual position. Amplitude: Amplitude is defined as the maximum displacement of the function from it's centre position. It can also be seen as half the distance between the maximum and minimum values of a function. The amplitude of a sine curve is 1. Amplitude Formula For an object in periodic motion, the amplitude is the maximum displacement from equilibrium. For example, a pendulum swings through its equilibrium point (straight down), then swings to a maximum distance away from the center. This distance is the amplitude, A.

Amplitude , in physics , the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position.

It is equal to one-half the length of the vibration path. The amplitude of a pendulum is thus one-half the distance that the bob traverses in moving from one side to the other. Waves are generated by vibrating sources, their amplitude being proportional to the amplitude of the source.

For a transverse wave , such as the wave on a plucked string, amplitude is measured by the maximum displacement of any point on the string from its position when the string is at rest. For a longitudinal wave , such as a sound wave, amplitude is measured by the maximum displacement of a particle from its position of equilibrium.

When the amplitude of a wave steadily decreases because its energy is being lost, it is said to be damped. Amplitude Article Media Additional Info. Print Cite verified Cite. While every effort has been made to follow citation style rules, there may be some discrepancies.

Please refer to the appropriate style manual or other sources if you have any questions. Facebook Twitter. Give Feedback External Websites. Let us know if you have suggestions to improve this article requires login. External Websites. Indiana University - What is amplitude? The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree See Article History.

Read More on This Topic. The equilibrium value of pressure, represented by the evenly spaced lines in Figure 1A and by the axis of the graph in Figure 1C, is equal Learn More in these related Britannica articles:. The equilibrium value of pressure, represented by the evenly spaced lines in Figure 1A and by the axis of the graph in Figure 1C, is equal to the atmospheric pressure that would prevail in the absence of the sound wave.

Instead of letting the ball roll on a curved channel, the same path is more easily and exactly realized by making it the bob of a simple pendulum. History at your fingertips. Sign up here to see what happened On This Day , every day in your inbox! Email address.

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