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

Author Question: There is a 10-A current through a wire for 2.0 min. (e = 1.60 10-19 C) (a) How much charge has ... (Read 36 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
on: Jul 29, 2018
There is a 10-A current through a wire for 2.0 min. (e = 1.60  10-19 C)
 
  (a) How much charge has passed through this wire?
  (b) How many electrons have passed any point in the wire?

Question 2

A 771.0-kg copper bar is put into a smelter for melting. The initial temperature of the copper is 300.0 K.
 
  How much thermal energy must the smelter produce to completely melt the copper bar? The specific heat for copper is 386 J/kgK, the heat of fusion for copper is 205,000 J/kg, and its melting point is 1357 K. A) 4.73  105 kJ
  B) 3.15  1011 kJ
  C) 3.15  108 kJ
  D) 5.62  105 kJ


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

marict

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 1200 C (b) 7.5  1021

Answer to Question 2

A


jparksx

  • Member
  • Posts: 570
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

Jossy

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

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.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Heliospheric-current-sheet Heliospheric-current-sheet
Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r
A current model for protein secretion by prokaryotes A current model for protein secretion by prokaryotes
Drawing of Central PompeII In Its Current State Drawing of Central PompeII In Its Current State
Find the voltage, current and power for each resistor in the circuit below Find the voltage, current and power for each resistor in the circuit below
Storm water charge Storm water charge
Video: TRH/TSH/Thyroid hormone

For a complete list of videos, visit our video library