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Get Full Access to Physics - 4 Edition - Chapter 21 - Problem 85
Get Full Access to Physics - 4 Edition - Chapter 21 - Problem 85

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# Consider the RCcircuit shown in Figure 2144. Find (a)the

ISBN: 9780321611116 152

## Solution for problem 85 Chapter 21

Physics | 4th Edition

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Physics | 4th Edition

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Problem 85

Consider the RCcircuit shown in Figure 2144. Find (a)the time constant and (b) the initial current for this circuit. (c) It is desired to increase the time constant of this circuit by adjusting the value of the resistor. Should the resistance of this resistor be increased or decreased to have the desired effect? Explain.

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Lectures 1 2 and 3 Average Speed & Average Velocity vavgdistancetime=dt *speed is a scalar (magnitude with no direction vavgdisplacementtime= rt * velocity is a vector (has direction) → UNITS: ms vavg and r point in direction of motion vx= xf-x0t → xf=x0+t(vx) *with constant velocity  Negative slope = negative velocity  Steeper slope = faster speed Acceleration aavgvt *rate of change of velocity (slowing, speeding, changing direction) aavgv - n+1 n → UNITS: ms 2 → If v and a are point in the same direction, the object is speeding up afree fall0 ms2 → 1 dimensional acceleration down a slope: as= g(sin) Ki

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