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F06(2) - Physics 204A THIRD EXAM Chapters 1 11 Fall 2006...

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Physics 204A THIRD EXAM Chapters 1 - 11 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. I saw the sketch below in the newspaper last summer. The author explained the benefits of using cable barriers instead of concrete on highways in simple terms. Now, you need to explain the same thing using the principles of physics.

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Physics 204A THIRD EXAM Chapters 1 - 11 Fall 2006 2 2. A 75.0kg football player takes the ball and runs northward up the field at 5.00m/s. An 88.0kg tackler heading eastward across the field at 3.50m/s grabs the ball carrier. Find their combined speed and direction just as they collide. 3. A physics student is given a sphere and asked to determine whether it is hollow or solid. She makes a
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F06(2) - Physics 204A THIRD EXAM Chapters 1 11 Fall 2006...

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