1stmid2007solution

1stmid2007solution - SOLUTION Physics 6A - Summer 2007 1st...

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SOLUTION Physics 6A - Summer 2007 NAME:_________________________ 1 st Midterm, Chapters. 1-4 Dr. Nassar Multiple Choice: Choose the best answer. MC1. _ A ___ A baseball, after being struck by a batter, is traveling to the outfield. The acceleration of the baseball during flight (a) is the same during the entire flight. (b) depends on whether the ball is going up or coming down. (c) is greatest at the top of the trajectory. (d) depends on how it was hit. MC2. _ D ___ A car travels around a circular track at constant speed. (a) Its acceleration is zero. (b) Its velocity is constant. (c) Both (a) and (b) are correct. (d) Neither (a) nor (b) is correct. MC3. _ C ___ Two balls are projected horizontally from a tall building at the same instant, one with speed v o and the other with speed v o /2. (a) The ball with initial speed v o reaches the ground first. (b) The ball with initial speed v o /2 reaches the ground first. (c) Both balls hit the ground at the same time. (d) One cannot say without knowing the height of the building.
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This note was uploaded on 05/28/2008 for the course PHYS 6A taught by Professor Mahaashour-abdalla during the Summer '07 term at UCLA.

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1stmid2007solution - SOLUTION Physics 6A - Summer 2007 1st...

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