This topic contains a solution. Click here to go to the answer

Author Question: You are traveling quickly along a freeway. Your car has kinetic energy. You suddenly skid to a stop ... (Read 54 times)

123654777

  • Hero Member
  • *****
  • Posts: 585
You are traveling quickly along a freeway. Your car has kinetic energy. You suddenly skid to a stop because of congestion in traffic. Where is the kinetic energy that your car once had?
  1.All of it goes into internal energy in the road.
  2.All of it goes into internal energy in the tires.
  3.Some of it goes into internal energy of the road and some into internal energy of the tires.
  4.Some of it goes into internal energy of the road, some to internal energy of the tires, some to other internal energy, and some is transferred away by mechanical waves.

Question 2

A dart is loaded into a spring-loaded toy dart gun by pushing the spring in by a distance d. For the next loading, the spring is compressed a distance d/2. How much faster does the second dart leave the gun compared with the first?
  1.two times as fast
  2.the same
  3.half as fast
  4.one fourth as fast



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emsimon14

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

4

Answer to Question 2

3



123654777

  • Hero Member
  • *****
  • Posts: 585
Both answers were spot on, thank you once again




 

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

For a complete list of videos, visit our video library