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# F03(2) - Physics 4A THIRD EXAM Chapters 1 13 Fall 2003 Name...

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Physics 4A THIRD EXAM Chapters 1 - 13 Fall 2003 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 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 bug flying northward at 8.00m/s collides with the windshield of a car traveling southward at 20.0m/s. Answer the following questions. For full credit, you must explain your thinking. Be sure to cite any relevant principles of physics. Which object, the bug or the car: (a)feels the greater force during the collision? (b)has the greater acceleration during the collision? (c)has the greater impulse on it during the collision? (d)has the greater change in momentum during the collision? (e)has the greater momentum after the collision?

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Physics 4A THIRD EXAM Chapters 1 - 13 Fall 2003 2 2. A railroad car traveling east at a speed of 4.00m/s collides and couples with three identical cars
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F03(2) - Physics 4A THIRD EXAM Chapters 1 13 Fall 2003 Name...

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