Author Question: When ice crystals form in the clouds, ________. a. heat energy is released b. the atmosphere ... (Read 54 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
When ice crystals form in the clouds, ________.
 a. heat energy is released
  b. the atmosphere becomes colder
  c. phase change from solid to liquid occurs
  d. the thermal mass of the atmosphere increases

Question 2

In a location where the train tracks run parallel to a road, a high speed train traveling at 60 m/s passes a car traveling at 30 m/s in the opposite direction. How long does it take for the train to be 180 m away from the car?
 a. 2.0 s
  b. 3.0 s
  c. 6.0 s
  d. 9.0 s
  e. 18.0 s



prumorgan

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

a

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

For a complete list of videos, visit our video library