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Author Question: In an RL circuit with time constant 3.0 s, what does the time constant become if the resistance is ... (Read 90 times)

james0929

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on: Jul 28, 2018
In an RL circuit with time constant 3.0 s, what does the time constant become if the resistance is doubled and the inductance is tripled?,
 a. 2.0 s
  c. 9.0 s
  b. 18 s
  d. 4.5 s

Question 2

A 2.0-m long piano string of mass 40 g is under a tension of 338 N. Find the speed with which a wave travels on this string.
 a. 130 m/s
  c. 520 m/s
  b. 260 m/s
  d. 1040 m/s


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triiciiaa

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

A


james0929

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Reply 2 on: Jul 28, 2018
:D TYSM

abro1885

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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