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The measurement of the moment of inertia of a smartphone using the internal MEMS gyro to record its angular velocity as it topples over from rest in a vertical position ϑ (0) ≈ 0 to a horizontal landing has been described by Kaps and [...]Article
The variation of the period of oscillation of a pendulum with the amplitude is known as “circular error” to clockmakers, and can easily be observed even without modern laboratory instruments. There have therefore been many approximate formulae f[...]Article
Peter F. Hinrichsen, Auteur |Modern MEMs gyros/accelerometers allow the angular velocity of pendula to be precisely measured and the angular acceleration to be calculated. For a compound pendulum, 𝐼p𝜃¨=−𝑚𝑔𝑎sin𝜃, where a [...]
