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 44 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?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Killer Whale - Size comparison to an average human. Killer Whale - Size comparison to an average human.
"Visual Acuity Testing, Assessing Distance Vision "Visual Acuity Testing, Assessing Distance Vision
Electron microscopic image of dinoflagellates Electron microscopic image of dinoflagellates
Charge development is unfavorable and can be circumvented by donation of a proton Charge development is unfavorable and can be circumvented by donation of a proton
Using Parallax to Determine Distance Using Parallax to Determine Distance
A typical fuel-pressure regulator that has a spring that exerts 46 pounds of force against the ... A typical fuel-pressure regulator that has a spring that exerts 46 pounds of force against the ...
Video: Chemical Messengers Animation

For a complete list of videos, visit our video library