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Mathematics 90 Online
OpenStudy (anonymous):

Suppose a lightbulb is slowly dimming, and the intensity of its light is decreasing according to dl/dt = 0.5t - 3 candela per second. Determine the exact net change in the light's intensity during the first minute.

OpenStudy (sid1729):

This question will use definite integration. We know the rate of change of intensity, and we want to know the net change in intensity. We should integrate dl/dt from t=0 to t=60 seconds

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