Calculating Amplitude in Simple Harmonic Motion

[Steve12321]

Hello and thanks for you time.

Just a quicky :-)

For a free vibration impulse response, the acceleration a is given by:

a = -ω^2*Asin(ωt)

So am I right in saying that you can rearrnage to calculate the amplitude A as:

A = a/(-ω^2*sin(ωt))

Thanks,
Steve

 

[mfb]

If the denominator is not zero, this is a valid transformation, sure.
To calculate the amplitude in that way, you need all those parameters for some point in time.

 

[Steve12321]

OK - thanks very much.