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 78 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?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

For a complete list of videos, visit our video library