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  2. Kater's pendulum - Wikipedia

    en.wikipedia.org/wiki/Kater's_pendulum

    Gravimeter with variant of Repsold pendulum The large increase in gravity measurement accuracy made possible by Kater's pendulum established gravimetry as a regular part of geodesy . To be useful, it was necessary to find the exact location (latitude and longitude) of the 'station' where a gravity measurement was taken, so pendulum measurements ...

  3. Foucault pendulum - Wikipedia

    en.wikipedia.org/wiki/Foucault_pendulum

    The Foucault pendulum or Foucault's pendulum is a simple device named after French physicist Léon Foucault, conceived as an experiment to demonstrate the Earth's rotation. If a long and heavy pendulum suspended from the high roof above a circular area is monitored over an extended period of time, its plane of oscillation appears to change ...

  4. Pendulum (mechanics) - Wikipedia

    en.wikipedia.org/wiki/Pendulum_(mechanics)

    The real period is, of course, the time it takes the pendulum to go through one full cycle. Paul Appell pointed out a physical interpretation of the imaginary period: [ 16 ] if θ 0 is the maximum angle of one pendulum and 180° − θ 0 is the maximum angle of another, then the real period of each is the magnitude of the imaginary period of ...

  5. Pendulum - Wikipedia

    en.wikipedia.org/wiki/Pendulum

    "Simple gravity pendulum" model assumes no friction or air resistance. A pendulum is a device made of a weight suspended from a pivot so that it can swing freely. [1] When a pendulum is displaced sideways from its resting, equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position.

  6. Persoz pendulum - Wikipedia

    en.wikipedia.org/wiki/Persoz_pendulum

    Persoz pendulum device. The pendulum consists of balls which rest on the coating under test and form the fulcrum. The Persoz pendulum is very similar to the Konig pendulum. Both employ the same principle, that is the softer the coating the more the pendulum oscillations are damped and the shorter the time needed for the amplitude of oscillation ...

  7. Mobility tax, other fees to prop up flailing MTA even after ...

    www.aol.com/news/mobility-tax-other-fees-prop...

    The payroll mobility tax applies to businesses in New York City, on Long Island and in some Hudson Valley suburbs. Currently, New York City businesses with payrolls larger than $437,500 must pay 0 ...

  8. Allais effect - Wikipedia

    en.wikipedia.org/wiki/Allais_Effect

    The same teams repeated a dual experiment during the annular solar eclipse of January 26, 2009, this time outside of the umbra, with the same significant correlation between the behavior of light torsion balances and a Foucault pendulum. [18] They also registered similar anomalies using a Foucault pendulum and a very light torsion balance, both ...

  9. 3 Dividend-Paying Value Stocks to Buy Even If There's a Stock ...

    www.aol.com/3-dividend-paying-value-stocks...

    Shares of American Water Works have sold off about 13% in the past three months, bringing the yield back up to 2.5%. American Water Works isn't the type of company that will gush growth.

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