« previous next »

Author Question: The speed for a low circular orbit about the Earth is about A) 1.7 104 km/s. B) 7.6 km/s. C) ... (Read 107 times)

fagboi

  • Hero Member
  • *****
  • Posts: 535
on: Jul 27, 2018
The speed for a low circular orbit about the Earth is about
 
  A) 1.7  104 km/s.
  B) 7.6 km/s.
  C) 2.1 km/s.
  D) 2.5  104 km/s.
  E) 17. km/s.

Question 2

Compared to the wavelength of a 400 Hz sound, the wavelength of a 200 Hz sound in air is
 
  A) four times as long.
  B) twice as long.
  C) the same.
  D) one-half as long.
  E) none of the above


kalskdjl1212

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

fagboi

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 27, 2018
Thanks


kalskdjl1212

  • Sr. Member
  • ****
  • Posts: 353
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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.

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?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Mercury’s Orbit Explained by General Relativity Mercury’s Orbit Explained by General Relativity
How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives
Jet streams and Earth’s heat budget Jet streams and Earth’s heat budget
Apply circular friction around ankles with fingertips. Apply circular friction around ankles with fingertips.
Using oil or lotion, apply circular strokes on abdomen with fingertips. Move in a clockwise ... Using oil or lotion, apply circular strokes on abdomen with fingertips. Move in a clockwise ...
If the particle moves in a circle of radius 0.15 m at a speed of 3.0 m/s, what is the magnitude ... If the particle moves in a circle of radius 0.15 m at a speed of 3.0 m/s, what is the magnitude ...
Video: Body plan of euglena Animation

For a complete list of videos, visit our video library