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Unformatted text preview: Physics 4A SECOND EXAM Chapters 1 - 7 Spring 2005 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. Looking at the apples in the grocery store, the following questions enter your (physics obsessed) mind: (a)Which has a larger mass, an apple or a watermelon? (b)Which feels a larger gravitational force when dropped? (c)Which accelerates toward Earth at a higher rate? Fortunately, your instructor asks you to answer these very questions on exam. Unfortunately, he expects you to explain your answers and cite appropriate physical principles. (a)The watermelon has a larger mass because it is harder to accelerate (or it has more inertia) than an apple....
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- Fall '09