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

Author Question: A 12-V battery is connected in series with a switch, 6.0-W resistor, and coil. What energy is stored ... (Read 76 times)

hbsimmons88

  • Hero Member
  • *****
  • Posts: 526
on: Jul 28, 2018
A 12-V battery is connected in series with a switch, 6.0-W resistor, and coil. What energy is stored in the coil when the current is 2.0 A? The time constant is 2.0  10-3 s.
 a. 9.6  10-3 J
  c. 2.9  10-2 J
  b. 4.8  10-3 J
  d. 2.4  10-2 J

Question 2

A wave travels in a string at 60 m/s. A second string of 40 greater linear density has the same tension applied as in the first string. What will be the resulting wave speed in the second string?
 a. also 60 m/s
  c. 72 m/s
  b. 51 m/s
  d. 55 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Yixagurpuldink

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


hbsimmons88

  • Member
  • Posts: 526
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

Jossy

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Energy budget for a temperate deciduous forest (data from Gosz et al. 1978). Energy budget for a temperate deciduous forest (data from Gosz et al. 1978).
Energy pathways Energy pathways
The coupling of reactions in energy transfer. The coupling of reactions in energy transfer.
This mini clamp-on DMM is being used to measure the amount of battery electrical drain that is ... This mini clamp-on DMM is being used to measure the amount of battery electrical drain that is ...
Type of Interactions, Model, Examples and Dependence of Energy on Distance Type of Interactions, Model, Examples and Dependence of Energy on Distance
Geothermal Energy schematic Geothermal Energy schematic
Video: Endocytosis - pinocytosis, receptor mediated and Transcytosis

For a complete list of videos, visit our video library