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

Author Question: The principle or law that says an induced emf in a circuit loop produces a current whose magnetic ... (Read 48 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
on: Jul 28, 2018
The principle or law that says an induced emf in a circuit loop produces a current whose magnetic field opposes further change of magnetic flux is credited to:
 a. Ampere.
  c. Lenz.
  b. Volta. d. Faraday.

Question 2

A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and an amplitude of 4.0 cm. If a timer is started when its displacement is a maximum (hence x = 4 cm when t = 0), what is the speed of the mass when t = 5 s?
 a. zero
  c. 0.016 m/s
  b. 0.0065 m/s
  d. 0.024 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momtoalll

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


jc611

  • Member
  • Posts: 552
Reply 2 on: Jul 28, 2018
Excellent

raenoj

  • Member
  • Posts: 340
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Hypothyroidism. Hyposecretion of the thyroid gland produces the symptoms that are illustrated. Hypothyroidism. Hyposecretion of the thyroid gland produces the symptoms that are illustrated.
Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror
A negative feedback loop. A negative feedback loop.
Using a DMM to measure the open-circuit voltage of a battery. Using a DMM to measure the open-circuit voltage of a battery.
A typical magnetic crankshaft position sensor. A typical magnetic crankshaft position sensor.
When the engine achieves closed-loop, the air is directed to the catalytic converter. When the engine achieves closed-loop, the air is directed to the catalytic converter.
Video: Nervous pathway to the Neuromuscular (NMJ)

For a complete list of videos, visit our video library