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

Author Question: Two equal positive charges are separated by d. Then one of the charges is replaced by a negative ... (Read 126 times)

audragclark

  • Hero Member
  • *****
  • Posts: 579
on: Jul 28, 2018
Two equal positive charges are separated by d. Then one of the charges is replaced by a negative charge of the same magnitude. Take the potential at infinity to be zero. In which situation is the potential higher midway between the charges; is this value of potential zero?
 a. the first situation; no
  c. the second situation; no
  b. the first situation; yes
  d. the second situation; yes

Question 2

A miniature, spring-loaded, radio-controlled gun is mounted on an air puck. The gun's bullet has a mass of 5.00 g, and the gun and puck have a combined mass of 130 g. With the system initially at rest, the radio-controlled trigger releases the bullet, causing the puck and empty gun to move with a speed of 0.500 m/s. Of the total kinetic energy of the gun-puck-bullet system, what percentage is in the bullet?
 a. 50
  c. 3.4
  b. 96
  d. 100


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vboyd24

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


audragclark

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


vboyd24

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae
A negative feedback loop. A negative feedback loop.
The fact that a mother works outside the home has no negative effect on the well-being of her child ... The fact that a mother works outside the home has no negative effect on the well-being of her child ...
The positive correlation between the ability of various neuroleptics to bind to D2 receptors and ... The positive correlation between the ability of various neuroleptics to bind to D2 receptors and ...
The xy plane is painted with a uniform surface charge density which is equal to 40 nC/m2 . ... The xy plane is painted with a uniform surface charge density which is equal to 40 nC/m2 . ...
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ... Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ...
Video: Junction Types - Tight and Adherens Junctions

For a complete list of videos, visit our video library