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

Author Question: An electron and a proton are separated by a distance of 1 m. What happens to the size of the force ... (Read 54 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 27, 2018
An electron and a proton are separated by a distance of 1 m. What happens to the size of the force on the proton if the electron is moved 0.5 m closer to the proton?
 
  A) It increases to 4 times its original value.
  B) It decreases to one-half its original value.
  C) It increases to 2 times its original value.
  D) It decreases to one-fourth its original value.
  E) It increases to 8 times its original value.

Question 2

Two cars collide head-on on a level friction-free road. The collision was completely inelastic and both cars quickly came to rest during the collision. What is true about the velocity of this system's center of mass?
 
  A) It was always zero.
  B) It was never zero.
  C) It was not initially zero, but ended up zero.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ksh22

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


mia

  • Hero Member
  • *****
  • Posts: 564
Reply #2 on: Jul 27, 2018
TY


Ksh22

  • Sr. Member
  • ****
  • Posts: 297
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Muscle Strength of the Hip, Flexion with Opposing Force Muscle Strength of the Hip, Flexion with Opposing Force
The distance between the centerline of the main bearing journal and the centerline of the ... The distance between the centerline of the main bearing journal and the centerline of the ...
finding the resultant force finding the resultant force
Find the resultant for the following force combinations Find the resultant for the following force combinations
Electron micrograph of the bacterium Escherichia coli Electron micrograph of the bacterium Escherichia coli
Typical bacterial size and structure Typical bacterial size and structure
Video: Coronary Heart Disease Animation

For a complete list of videos, visit our video library