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# Need answers for these 4 questions in physics for a practice

### Resolved Question:

Need answers for these 4 questions in physics for a practice homework! as soon as possible thank you! can add bonus for fast completion!

1.)This question requires a numeric or algebraic answer. In order to receive full credit for this problem you must show all your work. To show your work for this problem you may scan neatly handwritten work or type up your work in MS Word using the equation editor and submit it using the Midterm Exam Dropbox. You should make your submissions after you complete the exam.
A 750 g aluminum pan is removed from the stove and plunged into a sink filled with 10.0 liters of water at 20.0° C. The water temperature quickly rises to 24.0° C. What was the original temperature of the pan in degrees Celsius and degrees Farenheit?

2.)This question requires a numeric or algebraic answer. In order to receive full credit for this problem you must show all your work. To show your work for this problem you may scan neatly handwritten work or type up your work in MS Word using the equation editor and submit it using the Midterm Exam Dropbox. You should make your submissions after you complete the exam.
An electric generating plant boils water to make high-pressure steam. The steam spins a turbine that is connected to the generator. How many liters of water must be boiled to fill a 5.0-cubic-meter boiler with 50 atm of steam at 400° C? The steam pressure has dropped to 2.0 atm at 150° C as the steam exits the turbine. How much volume does it now occupy?

3.)This question requires a numeric or algebraic answer. In order to receive full credit for this problem you must show all your work. To show your work for this problem you may scan neatly handwritten work or type up your work in MS Word using the equation editor and submit it using the Midterm Exam Dropbox. You should make your submissions after you complete the exam.
What is the frequency of blue light that has a wavelength of 450 nm? What is the frequency of red light that has a wavelength of 650 nm? What is the index of refraction of a material in which the red light wavelength is 450 nm?

4.)This question requires a numeric or algebraic answer. In order to receive full credit for this problem you must show all your work. To show your work for this problem you may scan neatly handwritten work or type up your work in MS Word using the equation editor and submit it using the Midterm Exam Dropbox. You should make your submissions after you complete the exam.
A slide projector needs to create a 98-cm-high image of a 2.0 cm slide. The screen is 300 cm from the slide. What focal length does the lens need? Assume that it is a thin lens. How far should you place the lens from the slide?

5.)
Submitted: 2 years ago.
Category: Homework
Expert:  akch2002 replied 2 years ago.
When do you need answers for these questions?
In q2, use of steam tables is required. Do you have soft copy of steam tables?
Customer: replied 2 years ago.
No i do not if you can show me a steam table i can write it on a piece of paper for notes.

i need it in an hour and a half. if done faster i can do bonus.
Expert:  akch2002 replied 2 years ago.
I can solve questions 1, 3 and 4. in the given time of 1.5 hours If acceptable, kindly inform, otherwise I will opt out.
Customer: replied 2 years ago.
Okay i will accept that, i will find out what to do with 2. Please show the steps of how this equation was solved as best you can as that helps me alot.
Expert:  akch2002 replied 2 years ago.
OK. I will start solving these questions and try to upload the answers asap. You can always ask if any doubt is there.
Customer: replied 2 years ago.
okay thank you i will send a message once the hour and a half has passed :) i appreciate this thank you.
Customer: replied 2 years ago.
It showed as the question being opened to all experts? is this normal or?
Expert:  akch2002 replied 2 years ago.
Yes, it is normal. If you want specific expert, then the name of the expert needs to be mentioned in beginning.
Customer: replied 2 years ago.
okay you will send me a message once the questions are answered yes?
Expert:  akch2002 replied 2 years ago.
Customer: replied 2 years ago.
ok thank you so much for doing this!
Expert:  akch2002 replied 2 years ago.
You can view this answer by clicking here to Register or Login and paying \$3.
akch2002, Engineer
Category: Homework
Satisfied Customers: 2924
Experience: Home work expert

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