« previous next »

Author Question: Assuming the Moon actually travels in the same plane as the ecliptic, how many total lunar eclipses ... (Read 54 times)

EAugust

  • Hero Member
  • *****
  • Posts: 550
on: Jul 28, 2018
Assuming the Moon actually travels in the same plane as the ecliptic, how many total lunar eclipses would occur each year? How many total solar eclipses?

Question 2

Two long, parallel wires each carry the same current I in the same direction (Fig. OQ30.4). The total magnetic field at the point P midway between the wires is:
 
  1.zero.
  2.directed into the page.
  3.directed out of the page.
  4.directed to the left.
  5.directed to the right?


durant1234

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 28, 2018
Answer to Question 1

There would be a total of 12 lunar and 12 solar eclipses each year if the two planes
were the same.

Answer to Question 2

1


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

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

The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth
Lunar Ranging Lunar Ranging
Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ... Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ...
World Total Energy Consumption by Fuel Type World Total Energy Consumption by Fuel Type
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ... A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
In another solar system, a planet has an airless moon Zygo that is 4.0 × 105 m in diameter. ... In another solar system, a planet has an airless moon Zygo that is 4.0 × 105 m in diameter. ...
Video: Integumentary Anatomy

For a complete list of videos, visit our video library