This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A ball with original momentum +2.0 kgm/s hits a wall and bounces straight back without losing any ... (Read 39 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
on: Jul 28, 2018
A ball with original momentum +2.0 kgm/s hits a wall and bounces straight back without losing any kinetic energy. The change in momentum of the ball is:
 a. 0.
  c. 4.0 kgm/s.
  b. -4.0 kgm/s.
  d. -8.0 kgm/s.

Question 2

Three equal positive charges are placed on the x-axis, one at the origin, one at x = 2 m, and the third at x = 4 m. Of the following points, which has the greatest magnitude electric field?
 a. x = 1 m
  b. x = 3 m
  c. x = 5 m
  d. The electric field has the same magnitude at all three positions.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shaquita

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


ts19998

  • Member
  • Posts: 531
Reply 2 on: Jul 28, 2018
Excellent

parker125

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Magnetic resonance imaging (MRI) image demonstrating a back herniated disk. Magnetic resonance imaging (MRI) image demonstrating a back herniated disk.
Pavlov’s Original Classical Conditioning Procedure Pavlov’s Original Classical Conditioning Procedure
Inside ankle press. Place the heel of your left hand on the ball of the recipient’s right foot, ... Inside ankle press. Place the heel of your left hand on the ball of the recipient’s right foot, ...
Flexion of the hip with straight knee Flexion of the hip with straight knee
Wall of the Colon Wall of the Colon
MOMENTUM AND IMP meteor(158 kg) is moving with a velocity of 127 m/s , and breaks into two ... MOMENTUM AND IMP meteor(158 kg) is moving with a velocity of 127 m/s , and breaks into two ...
Video: Congenital Heart Defects Animation

For a complete list of videos, visit our video library