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Consider an L-R circuit as shown in the figure. The battery provides 12.0 V of voltage. The inductor has inductance L, and the resistor has resistance R = 150 Ω. The switch is initially open as shown. At time t=0, the switch is closed. At time t after t=0 the current I(t) flows through the circuit as indicated in the figure.
What is the current I (t„) at a time after t=0 equal to three times the time constant?
a rock thrown with speed 7.50 and launch angle 30.0 above the horizontal travels a horizontal distance of 19.5 before
Consider the circuit in the figure. Suppose the circuit elements have the following values: = 12.5 V, R = 6.50 ?, and L = 28.0 mH. Calculate the voltage across the resistor after one time constant has elapsed since the switch has been closed
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The optometrist decides that the best way to handle her eyesight problems is to prescribe bifocals that will give her normal visual acuity from 25.0 cm out to infinity. After trying on several pairs of glasses frames, they agree that the glasses w..
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A block of wood has a density of 0.55g/cm^3 and mass of 2,500 g. it floats in a container of oil (the oil%u2019s density is 0.85 g/cm^3). What volume of oil does the wood displace
A power supply maintains a potential difference of 81.5 V across a 1.01-k? resistor. What is the current in the resistor in milliamperes?
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