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An oscillator has an equation x(t) = (0.45 m) cos ( 359 t) Assuming ω is...

An oscillator has an equation x(t) = (0.45 m) cos ( 359 t)

Assuming ω is in SI units, calculate the frequency in Hz to 2 sf.

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Answer #1

x(t) = (0.45 m) cos ( 359 t)

compare it with  

x(t) =A*cos(ω*t)

so  ω = 359 rad/s

ω = 2*pi*f

f = ω /2pi = 359/(2*pi) =57.1366246 Hz

the frequency = 57 Hz answer

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