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

Author Question: Discuss similarities and differences between KINETIC ENERGY and MOMENTUM. What will be an ideal ... (Read 73 times)

renzo156

  • Hero Member
  • *****
  • Posts: 526
Discuss similarities and differences between KINETIC ENERGY and MOMENTUM.
 
  What will be an ideal response?

Question 2

A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car.
 
  A) The force of collision on the truck is greater then the force of collision on the car.
  B) The force of collision on the truck is equal to the force of collision on the car.
  C) The force of collision on the truck is smaller than the of collision force on the car.
  D) The truck did not slow down during the collision.
  E) The car did not slow down during the collision.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sultansheikh

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

K is a scalar whereas P is a vector. Both depend upon mass and speed, however K depends upon the square of the speed but P is simply proportional to velocity. Momentum is always conserved for an isolated system, but K might change if it changes to/from other energy forms.

Answer to Question 2

B





 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

For a complete list of videos, visit our video library