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Simple Harmonic Motion

Asked Oct 15, 2007, 09:29 AM — 2 Answers
1. A light spiral spring is loaded with a mass of 0.05kg and it extends by 0.10m. Determine: the period of small vertical oscillation if the value of g is 10m/s-2

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kesavan's Avatar
kesavan Posts: 118, Reputation: 0
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#2

Oct 18, 2007, 09:13 AM
This is a simple question.
Try yourself first..
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ebaines's Avatar
ebaines Posts: 10,055, Reputation: 5539
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#3

Oct 18, 2007, 09:30 AM
You can determine the spring constant k from the data you're given. Then set up the equation of motion for a spring & mass system, using F = ma, where F = -kx, and a = d^2x/dt^2. Plug x = A*sin(wt) into the differential equation, and solve for w. That will give you the frequency of oscillation w in radians/sec , so convert that to the period of oscillation in terms of seconds.
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