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 56 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?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Earth’s Magnetosphere Earth’s Magnetosphere
West nomogram for estimation of surface areas. West nomogram for estimation of surface areas.
A Model of Surface Dyslexia A Model of Surface Dyslexia
Clear the tarsals, metatarsals, and toes. Stand at the end of the table, support the plantar surface ... Clear the tarsals, metatarsals, and toes. Stand at the end of the table, support the plantar surface ...
Earth’s Major Lithospheric Plates Earth’s Major Lithospheric Plates
Major Climate Zones and Surface Currents Major Climate Zones and Surface Currents
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library