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

Author Question: On a photograph of the Moon, the Moon measures 30 cm in diameter and a small crater measures 0.2 cm. ... (Read 1934 times)

neverstopbelieb

  • Hero Member
  • *****
  • Posts: 534
on: Jul 27, 2018
On a photograph of the Moon, the Moon measures 30 cm in diameter and a small crater measures 0.2 cm. The Moon's physical diameter is 1738 km. What is the physical diameter of the small crater?
 
  a. about 1738 km
  b. about 12 km
  c. about 520 km
  d. about 350 km
  e. about 3.5 km

Question 2

51 Pegasi is important because
 
  a. it is a pulsar with planets orbiting around it.
  b. it is a star with a planet that is known to support intelligent life.
  c. it is the largest satellite of Jupiter.
  d. it is the largest known asteroid.
  e. it is the first star like our Sun that was found to have a planet orbiting it.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Zack0mack0101@yahoo.com

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 27, 2018
Answer to Question 1

b
RATIONALE: Using conversions, you can set up an equation like 0.2 cm/30 cm = x/1738 km and solve for x.

Answer to Question 2

e


neverstopbelieb

  • Member
  • Posts: 534
Reply 2 on: Jul 27, 2018
Gracias!

dreamfighter72

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Villi in the small intestine Villi in the small intestine
Moon orbit Moon orbit
Some of the many small molecules found in cells Some of the many small molecules found in cells
The digestive system: functions of the small intestine and large intestine (colon) The digestive system: functions of the small intestine and large intestine (colon)
Photograph of several billiard balls Photograph of several billiard balls
Preserve Your Vitamins! Cook your vegetables in a small amount of water Preserve Your Vitamins! Cook your vegetables in a small amount of water
Video: Natural Selection, Species Isolation and Real World Example

For a complete list of videos, visit our video library