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# lab4 - Worcester Polytechnic Institute PH 1111 Term A 2007...

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Worcester Polytechnic Institute PH 1111, Term A, 2007 Experiment #4 Lab Worksheet 1. In the frame below this problem statement, write down your raw data from Part 1. Report the masses as determined by the mass balance to the nearest tenth of a gram. Your raw acceleration values, of course, need to be reported in the form “ave ± sd,” with units. 2. Find the angle of the track. Show your work, and report angles to the hundredth of a degree. 3. Calculate the magnitude of the friction F friction1 based on the accelerations a down1 and a up1 . Show your work, and report your friction values to three significant figures. 4. In a few sentences, explain how you determined the angle of the track from trigonometry and show your calculation. 5. Report your raw data from Part 2, as in Exercise #1. 6. Calculate the angle of the track from the masses and accelerations. Show your work. Use g = 9.801 m/s 2 . 7. The angle values determined in

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lab4 - Worcester Polytechnic Institute PH 1111 Term A 2007...

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