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OpenStudy (anonymous):
The equation of motion is \(\ s=2costy+3sint, t\le0 \). Find velocity/acceleration at time t. I took the derivative to find the velocity, but got 0...?
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OpenStudy (anonymous):
is that 2cos(ty) ?
OpenStudy (anonymous):
Good catch! That's supposed to be a t only.
OpenStudy (anonymous):
so \[s=2\cos(y) + 3\sin(t) , t \le0\] ?
OpenStudy (anonymous):
Oops cos(t)
OpenStudy (anonymous):
Well the velocity at time t is just the derivative. Can you differentiate that?
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OpenStudy (anonymous):
@Dido525 I tried, but I got 0, which doesn't seem correct.
OpenStudy (anonymous):
Lets see:|dw:1351660147750:dw|
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