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April 21, 2014

April 21, 2014

Posted by **Jon** on Tuesday, January 11, 2011 at 11:56am.

Okay, so first I used f=1/T to find the frequency =0.25Hz.

Then, I used frequency to find omega w=2*pi*f

=1.57 rad

The next part I'm not sure about

V=Rw

x/t=Rw

t=x/Rw

t=0.06m/(0.1)(1.57)

t=0.38s

Can someone tell me if i've done this correctly. And, if not, how to do it correctly please

- Physics -
**drwls**, Tuesday, January 11, 2011 at 3:57pmw = 2 pi/P = 1.571 rad/s

Let's pick time zero as when x = 0

x = 10*sinwt

When x = 6, sinwt = 0.6 and

wt = 0.644 radians

t = 0.410 s, about 1/10 of the period

Your answer is close, but wrong. I don't know what your R means, or where the x/t = Rw equation came from

You need to take an arcsine of 0.6 somewhere.

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