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# F92 - Physics 4A FIRST EXAM Chapters 1 4 Fall 1992 Name...

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Physics 4A FIRST EXAM Chapters 1 - 4 Fall 1992 1 Name:_________________________________________ Solve the following problems in the space provided. Use the back of the page if needed. Each problem is worth 20 points. You must show your work in a logical fashion starting with the correctly applied physical principles which are on the last page. Your score will be maximized if your work is easy to follow because partial credit will be awarded. 1. An airplane flies from Timbucktu to Helenback by traveling due north for 1200km. The plane then flies on to Farnaway in a direction of 30˚ north of east for 1000km. Find the total displacement (magnitude and direction) between Timbucktu and Farnaway. 2. A water rocket accelerates uniformly from rest to 40.0m/s. During this acceleration the rocket travels 2.0m. Find the acceleration and time needed for this acceleration. N E x y

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Physics 4A FIRST EXAM Chapters 1 - 4 Fall 1992 2 3. Answer the questions below by refering to the graph of velocity vs. time shown at the right.
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