anonymous
  • anonymous
s(t)= 1.85sin(36piet) t= seconds find velocity for t=0.025sec
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
\[v(t)=1.85*36pisin(36\pi t)\] \[v(0.025)=1.85*36\pi \sin(36 \pi 0.025)\] pi = 3.14
anonymous
  • anonymous
sorry!!!!
anonymous
  • anonymous
\[v(0.025)=1.85*36 \pi \cos(36 \pi 0.025)\]

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anonymous
  • anonymous
??
anonymous
  • anonymous
derivative of sin is cos
anonymous
  • anonymous
what is your problem now??
anonymous
  • anonymous
why is it(36*pie-cos)
anonymous
  • anonymous
\[d(\sin(at))/dt=a \cos(at)\]
anonymous
  • anonymous
so where do i go from there
anonymous
  • anonymous
s(t) is a distance function, so the velocity is derivative of s(t) \[v(t)=ds(t)/dt\]
anonymous
  • anonymous
http://en.wikipedia.org/wiki/Velocity
anonymous
  • anonymous
how can i get my answer is cm/s
anonymous
  • anonymous
Since your question doesnt involve any distances, you can choose your time interval to be 1 cm per 1 second (t).

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