S05(3) - Physics 4A Name: FINAL EXAM Chapters 1 - 14 Spring...

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Physics 4A FINAL EXAM Chapters 1 - 14 Spring 2005 1 Name: Posting Code ____ ____ ____ (only if you want your grade posted on the web.) Solve the following problems in the space provided. Use the back of the page if needed. Each problem is worth 10 points. You must show your work in a logical fashion starting with the correctly applied physical principles shown on the last page. Your score will be maximized if your work is easy to follow because partial credit will be awarded. 1. A helicopter flying horizontally at 30.0m/s is 80.0m above the ground and plans to drop supplies to tsunami victims below. Find (a)the time before they are directly overhead that they must release the supplies so that they land near these victims and (b)the horizontal distance from where they release them to the point where they land. 2. A 150g meterstick is suspended horizontally from a string at the 30cm mark that is wrapped over a pulley supporting a mass M. Two weights hang from the stick. One has a mass of 100g at
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S05(3) - Physics 4A Name: FINAL EXAM Chapters 1 - 14 Spring...

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