Homework

Related Homework Questions
An electric heater has resistance R= 4 Ohms. The heater is
An electric heater has resistance R= 4 Ohms. The heater is plugged into an outlet supplying voltage= V= 120 volts. Inside the heater, there is water having mass M = 4 Kg and initial temperature Ti= 20… read more
DebdattaBhattacharya
Physics and Math tutor
Doctoral Degree
10,720 satisfied customers
An electrical circuit has three devices each plugged into a
An electrical circuit has three devices each plugged into a standard household powerpoint. Device A has a resistance of 1.0 Ω, device B has a resistance of 3.0 Ω and device C has a resistance of 6.0 Ω… read more
akch2002
Master's Degree
3,367 satisfied customers
1. If a 2:1 transformer has a 220 VAC input, a voltage test
1. If a 2:1 transformer has a 220 VAC input, a voltage test at the primary winding should produce a meter reading of A. 0 VAC. B. 110 VAC. C. 220 VAC. D. 440 VAC. 2. A circuit contains four 100 Ω resi… read more
Chris M.
M.S.W. Social Work
Master's Degree
2,852 satisfied customers
1. An electric current heats a 225 g copper wire from 20.0
1. An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C. How much heat was generated by the electric current? (ccopper = 0.093 cal/gm-deg) 2. A sample of silver at 20.0 °C is heated t… read more
Manas11
426 satisfied customers
1. An electric current heats a 225 g copper wire from 20.0
1. An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C. How much heat was generated by the electric current? (ccopper = 0.093 cal/gm-deg) 2. A sample of silver at 20.0 °C is heated t… read more
akch2002
Master's Degree
3,367 satisfied customers
1. An electric current heats a 225 g copper wire from 20.0
1. An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C. How much heat was generated by the electric current? (ccopper = 0.093 cal/gm-deg) 2. A sample of silver at 20.0 °C is heated t… read more
akch2002
Master's Degree
3,367 satisfied customers
A lead bullet initially at 12oC just melts upon striking a
A lead bullet initially at 12oC just melts upon striking a target. Assuming that all of the initial kinetic energy of the bullet goes into the internal energy of the bullet to raise its temperature an… read more
R.R. Jha
Bachelor's Degree
6,909 satisfied customers
1. An electric current heats a 225 g copper wire from 20.0
1. An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C. How much heat was generated by the electric current? (ccopper = 0.093 cal/gm-deg) 2. A sample of silver at 20.0 °C is heated t… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C
Please show all work :) 1. An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C. How much heat was generated by the electric current? (ccopper = 0.093 cal/gm-deg) 2. A sample of silve… read more
Dr. Cobb
Teaching Professor
Doctoral Degree
8 satisfied customers
Question 1. An electric current heats a 225 g copper wire
Question 1. An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C. How much heat was generated by the electric current? (ccopper = 0.093 cal/gm-deg) 2. A sample of silver at 20.0 °C is… read more
Hasan
Bachelor's Degree
1,909 satisfied customers
1. An electric current heats a 225 g copper wire from 20.0
1. An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C. How much heat was generated by the electric current? (ccopper = 0.093 cal/gm-deg) 2. A sample of silver at 20.0 °C is heated t… read more
Hasan
Bachelor's Degree
1,909 satisfied customers
1. An electric current heats a 225 g copper wire from 20.0
1. An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C. How much heat was generated by the electric current? (ccopper = 0.093 cal/gm-deg) 2. A sample of silver at 20.0 °C is heated t… read more
David
Post-Doctoral Degree
2,112 satisfied customers
What are some equations that can be used for solving energy
What are some equations that can be used for solving energy in joules given the specific heat, mass, and change in temperature?… read more
Tony Locascio
Bachelor's Degree
114 satisfied customers
Could you help with Madison University paper Fundamentals ...
Could you help with Fundamentals of physics Questions are Below: 1.Which of the following is closest to your mass? A.0.06 kg B.0.6 kg C.6 kg D.60 kg E.600 kg 2.The number of significant figures in 0.0… read more
Shri (Mathpedia)
Online Math Tutor
Master's Degree
72 satisfied customers
how much heat does .10 kg of water at 100 degrees celsius ...
how much heat does .10 kg of water at 100 degrees celsius lose as it cools and becomes water at 0 degrees celsius?… read more
Chris
Retired
Doctoral Degree
10 satisfied customers
Compare the thermal energy that a cup (250 kg) of tea loses ...
Compare the thermal energy that a cup (250 kg) of tea loses in going from 95 degrees Celsius (nearly boiling) to room temperature (22 degrees Celsius) to the kinetic energy that you body would lose if… read more
Scott
Master's Degree
5,558 satisfied customers
Physical Science Electricity and Electronics/ heat
1. A silver bar 0.125 meter long is subjected to a temperature change from 200Â°C to 100Â°C. What will be the length of the bar after the temperature change? A. 0.124764 meter B. 0.00023635 meter C. 0… read more
Coolchics
Teacher
Master's Degree
286 satisfied customers
Heat of Al 0.902j/g (degree K), 250g cube of Al at room ...
Heat of Al= 0.902j/g (degree K), 250g cube of Al at room temp of 600 degree C, and then placed in 75 g of H2O at temp of 15 degree C. (heat of H2O=4.184j/g degree K) Can you help me find the temp of H… read more
Dr WLS
engineer/physicist, retired 1992
Doctoral Degree
296 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

## What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

## Meet the Experts:

Scott

5,558 satisfied customers

MIT Graduate (Math, Programming, Science, and Music)

LogicPro

Engineer

18,409 satisfied customers

Expert in Python,Java C++ C C# VB Javascript Design SQL HTML

Manal Elkhoshkhany

Tutor

4,775 satisfied customers

More than 5000 online tutoring sessions.

Linda_us

Finance, Accounts & Homework Tutor

3,138 satisfied customers

Post Graduate Diploma in Management (MBA)

Chris M.

M.S.W. Social Work

2,852 satisfied customers

Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)

F. Naz

Chartered Accountant

2,273 satisfied customers

Experience with chartered accountancy

Bizhelp

CPA

1,887 satisfied customers

Bachelors Degree and CPA with Accounting work experience

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less