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

Author Question: The Early Bird communication satellite hovers over the same point on Earth's equator indefinitely, ... (Read 99 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
on: Jul 29, 2018
The Early Bird communication satellite hovers over the same point on Earth's equator indefinitely, because
 
  A) other forces than Earth's gravity act on it.
  B) it pulls as hard on Earth as Earth pulls on it.
  C) it is beyond the main pull of Earth gravity.
  D) it is kept aloft by ground control.
  E) its orbital period is 24 hours.

Question 2

If a satellite's radial velocity is zero at all times, its orbit must be
 
  A) parabolic.
  B) elliptical.
  C) circular.
  D) geosynchronous.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kdiggy

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: E

Answer to Question 2

Answer: C


BrownTown3

  • Member
  • Posts: 564
Reply 2 on: Jul 29, 2018
Gracias!

blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

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?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

The FDA recognizes 118 routes of administration.

Communication throughout the nursing process Communication throughout the nursing process
Early Stress and the Prefrontal Cortex Early Stress and the Prefrontal Cortex
Earth-Moon-Sun Positions during the Neap Tide Earth-Moon-Sun Positions during the Neap Tide
Early Earth Early Earth
Earth day kids Earth day kids
Video: Molecules, Membrane Permeability and Structure

For a complete list of videos, visit our video library