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

Author Question: Two protons, each of charge 1.60 10-19 C, are 3.00 10-5 m apart. What is the change in potential ... (Read 12 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 28, 2018
Two protons, each of charge 1.60  10-19 C, are 3.00  10-5 m apart. What is the change in potential energy if they are brought 1.00  10-5 m closer together? (ke = 8.99  109 Nm2/C2)
 a. 3.84  10-24 J
  c. 1.15  10-23 J
  b. 3.20  10-16 J
  d. 3.20  10-19 J

Question 2

A 20-g bullet moving at 1000 m/s is fired through a one-kg block of wood emerging at a speed of 200 m/s. What is the change in the kinetic energy of the bullet-block system as a result of the collision assuming the block is free to move?
 a. 0 J
  c. 9.5 kJ
  b. -9.5 kJ
  d. -18 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kalskdjl1212

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


Shelles

  • Member
  • Posts: 582
Reply 2 on: Jul 28, 2018
Wow, this really help

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Plant cell water potential. Plant cell water potential.
Rate of Residential Change, Past Year, in the United States Rate of Residential Change, Past Year, in the United States
Establishing a steady-state resting membrane potential. Establishing a steady-state resting membrane potential.
Different exposure codes for potential HIV infection. Different exposure codes for potential HIV infection.
Population Growth and Change Population Growth and Change
Action Potential Summary Action Potential Summary
Video: Simple Diffusion - gases and nonpolar compounds transport

For a complete list of videos, visit our video library