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Author Question: An LR circuit contains an ideal 60-V battery, a 42-H inductor having no resistance, a 24- resistor, ... (Read 64 times)

DelorasTo

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on: Jul 29, 2018
An LR circuit contains an ideal 60-V battery, a 42-H inductor having no resistance, a 24- resistor, and a switch S, all in series. Initially, the switch is open and has been open for a very long time. At time t = 0 s, the switch is suddenly closed.
 
  How long after closing the switch will the potential difference across the inductor be 24 V?
  A) 1.8 s B) 2.1 s C) 1.4 s D) 1.6 s E) 1.9 s

Question 2

Two cars are traveling at the same speed and hit the brakes at the same time. Car A decelerates (decreases its velocity) at twice the rate of car B. If car A travels a distance D before stopping, how far does car B travel before stopping?
 
  A) 4D
  B) 2D
  C) D
  D) D/2
  E) D/4
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jazzlynnnnn

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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DelorasTo

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

Mochi

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Reply 3 on: Yesterday
Wow, this really help

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