Units of measurement

Eotvos (unit)

The eotvos is a unit of acceleration divided by distance that was used in conjunction with the older centimetre–gram–second system of units (cgs). The eotvos is defined as 10−9 galileos per centimetre. The symbol of the eotvos unit is E. In SI units or in cgs units, 1 eotvos = 10−9 second−2. The gravitational gradient of the Earth, that is, the change in the gravitational acceleration vector from one point on the Earth's surface to another, is customarily measured in units of eotvos. The Earth's gravity gradient is dominated by the component due to Earth's near-spherical shape, which results in a vertical tensile gravity gradient of 3,080 E (an elevation increase of 1 m gives a decrease of gravity of about 0.3 mGal), and horizontal compressive gravity gradients of one half that, or 1,540 E. Earth's rotation perturbs this in a direction-dependent manner by about 5 E. Gravity gradient anomalies in mountainous areas can be as large as several hundred eotvos. The eotvos unit is named for the physicist Loránd Eötvös, who made pioneering studies of the gradient of the Earth's gravitational field. (Wikipedia).

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From playlist A Second Course in Differential Equations

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From playlist Mathematics

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From playlist Music Lessons

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From playlist Linear Algebra

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From playlist Beginning Scientific Computing

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From playlist A Second Course in Differential Equations

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From playlist A Second Course in Differential Equations

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From playlist A Second Course in Differential Equations

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I want to help you achieve the grades you (and I) know you are capable of; these grades are the stepping stone to your future. Even if you don't want to study science or maths further, the grades you get now will open doors in the future. To sign up to the mailing list for discount codes

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Related pages

Second | Metre | Distance | Centimetre | Gal (unit)