anonymous
  • anonymous
The quantity of a charge Q that passes through a surface at time t (seconds), is given by Q=t^3 -2t^2 +6t +2. The current is defined as the rate of change of the charges with respect to t. Find the current when t=2
Precalculus
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
\[i(t)=\frac{ dq }{dt }=3t^2-4t+6\] \[i(2)=3(2)^2-4(2)+6=10A\]
anonymous
  • anonymous
Apparently the answer is \[\frac{ 3 }{ 10\Pi } \] cm/s
anonymous
  • anonymous
what's this unit?

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anonymous
  • anonymous
related rates

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