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 57 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
:D TYSM

diana chang

  • Member
  • Posts: 288
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Sources of Energy in the United States Sources of Energy in the United States
The energy cycle of life The energy cycle of life
La Niña events store energy La Niña events store energy
Global energy consumption is rising rapidly Global energy consumption is rising rapidly
Physics: Power, Energy and Time Physics: Power, Energy and Time
How much voltage does the resistor drop in Figure 10-2? How much voltage does the resistor drop in Figure 10-2?
Video: Cavernous Sinus Larynx Middle Ear Orbit: Granulesm Animation

For a complete list of videos, visit our video library