This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In an RL circuit with time constant 3.0 s, what does the time constant become if the resistance is ... (Read 37 times)

james0929

  • Hero Member
  • *****
  • Posts: 586
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

triiciiaa

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

A


james0929

  • Member
  • Posts: 586
Reply 2 on: Jul 28, 2018
Gracias!

mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Richmond, Virginia, lies in ruins in April 1865 at the time of Lincoln’s visit—and a few days before Richmond, Virginia, lies in ruins in April 1865 at the time of Lincoln’s visit—and a few days before
When young infants hold objects for a long period of time they eventually become habituated to them. When young infants hold objects for a long period of time they eventually become habituated to them.
Bereaved spouses studied before loss, at the time of loss, and 18 months after loss show five ... Bereaved spouses studied before loss, at the time of loss, and 18 months after loss show five ...
Determining the order and rate constant of an irreversible first-order reaction Determining the order and rate constant of an irreversible first-order reaction
The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ... The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ...
An aluminum wire has a length of 27.0 m and a resistance of 2.90 n at 20.00C. As An aluminum wire has a length of 27.0 m and a resistance of 2.90 n at 20.00C. As
Video: DNA Sequences - Dideoxy Sequencing

For a complete list of videos, visit our video library