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

Author Question: Two small balls, A and B, attract each other gravitationally with a force of magnitude F. If we now ... (Read 111 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
on: Jul 29, 2018
Two small balls, A and B, attract each other gravitationally with a force of magnitude F. If we now double both masses and the separation of the balls, what will now be the magnitude of the attractive force on each one?
 
  A) 16F
  B) 8F
  C) 4F
  D) F
  E) F/4

Question 2

A spaceship approaching an asteroid at a speed of 0.60c launches a rocket forward with a speed of 0.40c relative to the spaceship. At what speed is the rocket approaching the asteroid as measured by an astronaut on the asteroid?
 
  A) 0.81c
  B) 1.0c
  C) 0.76c
  D) 0.64c
  E) 0.96c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blakeserpa

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

A


robinn137

  • Hero Member
  • *****
  • Posts: 544
Reply #2 on: Jul 29, 2018
Thanks


blakeserpa

  • Sr. Member
  • ****
  • Posts: 338
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Small and large intestines Small and large intestines
Primates in the New World tend to be small-bodied compared to those elsewhere. Primates in the New World tend to be small-bodied compared to those elsewhere.
Early instructions for administration of the small pox vaccine. Early instructions for administration of the small pox vaccine.
Muscle Fiber Recruitment and Muscular Force Muscle Fiber Recruitment and Muscular Force
Small Town USA: Struggling to Survive Small Town USA: Struggling to Survive
Magnitude of Geologic Time Magnitude of Geologic Time
Video: Properties of macromolecules (Explained with No Audio)

For a complete list of videos, visit our video library