Expert Answers

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.

2) 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?

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.
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?