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

Author Question: The source of magnetism is a. polarization. b. magnetic monopoles. c. electrons. d. ... (Read 59 times)

PhilipSeeMore

  • Hero Member
  • *****
  • Posts: 561
on: Jul 28, 2018
The source of magnetism is
 a. polarization.
  b. magnetic monopoles.
  c. electrons.
  d. protons.

Question 2

A concave mirror has a focal length of 20 cm. What is the magnification if the object and image distances are 10 cm and 20 cm respectively?
 a. 1
  b. 2
  c. 1/2
  d. 1/4
  e. 1/2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

gabrielle_lawrence

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

b


PhilipSeeMore

  • Member
  • Posts: 561
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

bulacsom

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Hydrogen sulfide as an energy source for chemoautotrophic bacteria in the deep sea. Hydrogen sulfide as an energy source for chemoautotrophic bacteria in the deep sea.
Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore
Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho
Looking carefully at the scan tool data is very helpful in locating the source of a problem. Looking carefully at the scan tool data is very helpful in locating the source of a problem.
The Bohr model of the atom. The nucleus contains protons and neutrons, and electrons orbit around ... The Bohr model of the atom. The nucleus contains protons and neutrons, and electrons orbit around ...
Magnetic Reversals and Seafloor Spreading Magnetic Reversals and Seafloor Spreading
Video: Phases of the ovarian cycle

For a complete list of videos, visit our video library