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A 750 g aluminum pan is removed from the stove
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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 highpressure steam. The steam spins a turbine that is connected to the generator. How many liters of water must be boiled to fill a 5.0cubicmeter 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 98cmhigh 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.)
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