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 17 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?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Coral reefs are influenced by sea surface temperatures. Coral reefs are influenced by sea surface temperatures.
Parts of the Hand Used in Palpation; Dorsal Surface Parts of the Hand Used in Palpation; Dorsal Surface
Layers are deposited parallel to Earth’s surface. Younger layers are deposited on top of older layer Layers are deposited parallel to Earth’s surface. Younger layers are deposited on top of older layer
Earth’s Spheres Earth’s Spheres
Humans are related to Earth’s other organisms Humans are related to Earth’s other organisms
Water strider (Gerris remigis) on water surface, showing surface tension. Water strider (Gerris remigis) on water surface, showing surface tension.
Video: Phases of an Action Potential - Resting Potential, Threshold, Rising, Falling, & Recovery Phases

For a complete list of videos, visit our video library