Author Question: Someone on the near side of the Moon would observe Earth rise once every a. 24 hours. b. 24 hours ... (Read 27 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
Someone on the near side of the Moon would observe Earth rise once every
 a. 24 hours.
  b. 24 hours and 50 minutes.
  c. 29.5 Earth days.
  d. None of these, the observer would never see Earth rise or set.

Question 2

Unlike spherical mirrors, spherical lenses do not have a focal length equal to ______________.
 Fill in the blank(s) with correct word



katieost

  • Sr. Member
  • ****
  • Posts: 358
Answer to Question 1

d

Answer to Question 2

R/2



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

For a complete list of videos, visit our video library