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

Author Question: A 4.0-kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vertical wall. ... (Read 109 times)

audie

  • Hero Member
  • *****
  • Posts: 532
A 4.0-kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vertical wall. The particle rebounds with a speed of 3.0 m/s. What is the magnitude of the impulse delivered to the particle?
 a. 24 Ns
  b. 32 Ns
  c. 40 Ns
  d. 30 Ns
  e. 8.0 Ns

Question 2

A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of 1.5 m/s. What is the magnitude of the impulse exerted on the ball by the floor?
 a. 9.6 Ns
  b. 2.4 Ns
  c. 6.4 Ns
  d. 1.6 Ns
  e. 1.0 Ns



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

anyusername12131

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

B

Answer to Question 2

A




audie

  • Member
  • Posts: 532
Reply 2 on: Jul 28, 2018
Wow, this really help


samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

For a complete list of videos, visit our video library