Please answer ALL parts neatly and
correctly. Thanks!
Homework Answers
given that
mass m = 1.5 kg
spring constant K = 30 N/m
a) resonance frequency wo = sqrt(k/m) = sqrt(30/1.5) = 4.47 s^-1
b) from the given force F = 2.2sin(2pi*t)
here w = 2pi
w = 2*3.14 = 6.28 s^-1
c) amplitude A = F0/m/(w^2-w0^2)
A = (2.2/1.5)/(6.28^2-4.47^2)
A = 1.47/(39.44-19.98) = 0.0755 m
A = 7.55 cm
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Please answer ALL parts neatly and
correctly. Thanks!
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