# F04s(1) - Physics 4A SECOND EXAM Chapters 1 - 7 Fall 2004...

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Physics 4A SECOND EXAM Chapters 1 - 7 Fall 2004 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. A fellow diner at the dorms shoves a 0.450kg bottle of ketchup along the table toward you. As the bottle leaves her hand, it is moving at 2.80m/s. It slides 1.00m before coming to rest in front of you. (a)Draw and name all the forces that act on the bottle while it is in motion. (b)Find their magnitudes. The weight is given by the mass/weight rule, F g = mg = (0.450)(9.80) " F g = 4.41 N . Applying the Second Law to the y-direction, " F y = ma y # F n \$ F g = 0 # F n = F g # F n = 4.41 N . Applying the Second Law to the x-direction,

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## This note was uploaded on 03/11/2012 for the course PHYSICS 204A taught by Professor Kagan during the Fall '09 term at CSU Chico.

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F04s(1) - Physics 4A SECOND EXAM Chapters 1 - 7 Fall 2004...

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