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

Author Question: A projectile that is fired vertically at 8 km/s from Earth's surface will A) go into circular ... (Read 74 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Jul 29, 2018
A projectile that is fired vertically at 8 km/s from Earth's surface will
 
  A) go into circular orbit about Earth.
  B) rise and fall back to Earth's surface.
  C) follow an uncertain path.
  D) escape from Earth.

Question 2

A satellite is in circular orbit at an altitude of 1500 km above the surface of a nonrotating planet with an orbital speed of 9.2 km/s.
 
  The minimum speed needed to escape from the surface of the planet is 14.9 km/s, and G = 6.67  10-11 N  m2/kg2. The orbital period of the satellite is closest to
  A) 72 min.
  B) 65 min.
  C) 58 min.
  D) 51 min.
  E) 44 min.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meryzewe

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

A


lbcchick

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Jul 29, 2018
Thank you!


meryzewe

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Temperature Profile of Earth’s Atmosphere Temperature Profile of Earth’s Atmosphere
6-8 Earth’s Major Tectonic Plates 6-8 Earth’s Major Tectonic Plates
Jet streams and Earth’s heat budget Jet streams and Earth’s heat budget
Earth emits radiation back out to space from all surfaces, both day and night Earth emits radiation back out to space from all surfaces, both day and night
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ... Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ...
Earth’s tilt and yearly rotation around the sun cause seasonal effects. The 23° tilt of Earth’s ... Earth’s tilt and yearly rotation around the sun cause seasonal effects. The 23° tilt of Earth’s ...
Video: Inflammation and Fever

For a complete list of videos, visit our video library