Author Question: In the vacuum of space, one gets rid of unwanted heat from spacecraft by utilizing A) ... (Read 47 times)

mcmcdaniel

  • Hero Member
  • *****
  • Posts: 550
In the vacuum of space, one gets rid of unwanted heat from spacecraft by utilizing
 
  A) evaporation.
  B) convection.
  C) radiation.
  D) conduction.

Question 2

A vector has components Ax = 12.0 m and Ay = 5.00 m. What is the angle that vector makes with the x-axis?
 
  A) 12.6
  B) 22.6
  C) 32.6
  D) 6.6
  E) 42.8



djofnc

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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.

For a complete list of videos, visit our video library