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

Author Question: A positive object touches a neutral electroscope, and the leaves separate. Then a negative object is ... (Read 136 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
A positive object touches a neutral electroscope, and the leaves separate. Then a negative object is brought near the electroscope, but does not touch it. What happens to the leaves?
 
  A)
 
  They separate further.
  B)
 
  They move closer together.
  C)
 
  They are unaffected.
  D)
 
  cannot be determined without further information

Question 2

A 30 N-force toward the west is applied to an object. The object moves 50 m east during the time the force is applied. What is the change in kinetic energy of the object?
 
  A)
 
  0.0 J
 
  B)
 
  1.7 J
 
  C)
 
  1.0 J
 
  D)
 
  -1500 J
 
  E)
 
  750 J



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sweetkitty24130

  • Sr. Member
  • ****
  • Posts: 291
Answer to Question 1

B

Answer to Question 2

D




jrubin

  • Member
  • Posts: 552
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


recede

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

For a complete list of videos, visit our video library