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# F06 - Physics 204A FIRST EXAM Chapters 1 4 Fall 2006 Name...

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Physics 204A FIRST EXAM Chapters 1 - 4 Fall 2006 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. The equations you need are on the equation sheet. Your score will be maximized if your work is easy to follow because partial credit will be awarded. 1. A 300g cart initially at rest rolls down a track at a slight incline and strikes a wall at the end of the track. A motion sensor plots the acceleration as a function of time as shown in the graph at the bottom right. (a)Estimate the value of the acceleration on the flat part of the curve between 2s and 8s. (b)Explain the sudden negative spike in the acceleration graph. (c)Graph the velocity versus time curve. Explain your thinking for full credit. (d)Graph the position versus time curve. Explain your thinking for full credit.

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F06 - Physics 204A FIRST EXAM Chapters 1 4 Fall 2006 Name...

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