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

Author Question: The escape speed from the moon is what fraction of Earth's escape speed? (Earth/Lunar mass ratio = ... (Read 87 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
on: Jul 27, 2018
The escape speed from the moon is what fraction of Earth's escape speed? (Earth/Lunar mass ratio = 81.3; Earth/Lunar radius ratio = 3.67)
 
  A) 0.045
  B) 0.17
  C) 0.61
  D) 0.41
  E) 0.21

Question 2

A 3. kg ball of putty moving at 1 m/s collides and sticks to a 2 kg ball initially at rest. The putty and ball then move with a momentum of
 
  A) 1 N-s.
  B) 2 N-s.
  C) 4 N-s.
  D) 3 N-s.
  E) 0 N-s.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

softEldritch

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

D


Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
Reply #2 on: Jul 27, 2018
TY


softEldritch

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Mendel's breeding program that produced a 9 : 3 : 3 : 1 ratio Mendel's breeding program that produced a 9 : 3 : 3 : 1 ratio
Groundhogs are able to climb trees to escape. Groundhogs are able to climb trees to escape.
Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
Three Types of Lunar Eclipses Three Types of Lunar Eclipses
Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland
The Last Man on Earth The Last Man on Earth
Video: Double Stranded DNA Molecule Animation

For a complete list of videos, visit our video library