Physics
Oscillations Mechanical Waves
A ball of mass m = 50 g is suspended

A ball of mass m = 50 g is suspended by a weightless spring with stiffness x

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A ball of mass m = 50 g is suspended by a weightless spring with stiffness x = 20.0 N/m. Due to external vertical harmonic force with frequency w = 25.0 s–1 the ball performs steady-state oscillations with amplitude a = 1.3 cm. In this case the displacement of the ball lags in phase behind the external force by φ = ¾ π. Find:
(a) The quality factor of the given oscillator;
(b) The work performed by the external force during one oscillation period.

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In the formula x a cos wtq Fo we have Thus Hen...View the full answer

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Introductory Classical Mechanics

ISBN: 978-0521876223

1st edition

Authors: David Morin

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Question Posted: Jun 17, 2010 01:01 AM

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