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

Author Question: A positive object touches a neutral electroscope, and the leaves separate. Then a negative object is ... (Read 71 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

D


jrubin

  • Member
  • Posts: 552
Reply 2 on: Jul 29, 2018
Excellent

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Negative control of a repressible set of genes: function of the trp repressor and corepressor in reg Negative control of a repressible set of genes: function of the trp repressor and corepressor in reg
Cell-wall structure of Gram-positive and Gram-negative bacteria. Cell-wall structure of Gram-positive and Gram-negative bacteria.
Gram-positive and Gram-negative bacteria. Gram-positive and Gram-negative bacteria.
Conifer leaves Conifer leaves
Homeostasis and negative feedback as related to control of body temperature. Homeostasis and negative feedback as related to control of body temperature.
Use a DMM set to read DC volts to check the voltage drop of the positive circuit to the fuel ... Use a DMM set to read DC volts to check the voltage drop of the positive circuit to the fuel ...
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

For a complete list of videos, visit our video library