Physics 2 Quiz
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CIRCUITS
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A student measures the voltage across a discharging capacitor at two times: V1=8.0 VV_1 = 8.0\,\text{V} at t1=0 mst_1 = 0\,\text{ms} and V2=2.0 VV_2 = 2.0\,\text{V} at t2=60 mst_2 = 60\,\text{ms}.
Using only these two data points, what is the best estimate of the time constant τ\tau of the circuit, and what voltage would be expected at t3=90 mst_3 = 90\,\text{ms}?
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