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 122 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?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

For a complete list of videos, visit our video library