Author Question: What can investigators use the law of conservation of momentum to determine from the details at the ... (Read 64 times)

javeds

  • Hero Member
  • *****
  • Posts: 570
What can investigators use the law of conservation of momentum to determine from the details at the scene of a car accident?
 a. Which, if any, of the two cars were motionless when it was hit.
  b. Whether or not the driver was drunk.
  c. Which direction the hit-and-run driver went off in.
  d. Whether either of the cars was over the speed limit.
  e. How many people were in each car.

Question 2

If a moving object hits a still object, what happens to the momentum of the moving object?
 a. The momentum of the moving object is increased by the force of the collision.
  b. The momentum of the moving object goes to zero at the moment of collision.
  c. The two stick together and move at the same speed afterward.
  d. The momentum of the moving object is decreased by the amount of momentum the stationary object picks up at the time of the collision.
  e. The momentum of the moving object matches the momentum of the stationary object.



lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
Answer to Question 1

d

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

For a complete list of videos, visit our video library