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Unformatted text preview: Physics 4A FINAL EXAM Chapters 1 - 15 Fall 2003 1 Name:_________________________________________ Posting Code _____ _____ _____ Solve the following problems in the space provided. Use the back of the page if needed. Each problem is worth 10 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 coin slides off a 1.20m high horizontal counter and strikes the floor 45.0cm from the base of the counter. Find (a)the time the coin is in the air and (b)the speed that the coin left the counter. 2. A cart of mass 350g is given a push in front of a motion detector. The resulting velocity versus time graph for the cart is shown. Find (a)the frictional force and (b)the coefficient of kinetic friction. Physics 4A FINAL EXAM Chapters 1 - 15 Fall 2003 2 3. Rank, in order from greatest to least, the final kinetic energies of the sliding masses the instant3....
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- Fall '09