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Unformatted text preview: Version 096/ABCAA QTest #5 Antoniewicz (57420) 1 This print-out should have 5 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 (part 1 of 2) 5.0 points A bead slides without friction around a loop- the-loop. The bead is released from a height h from the bottom of the loop-the-loop which has a radius r . h r Which of the following diagrams best rep- resents the kinetic energy of the bead versus time? 1. t K 2. t K correct 3. t K 4. t K 5. t K 6. t K Explanation: The bead reaches a maximum kinetic en- ergy each time it reaches the bottom of the loop. Consequently, the only curve which fits this criteria is one which has two equally high maxima. Also, the kinetic energy must be zero at t = 0. 002 (part 2 of 2) 5.0 points Which of the following could represent the gravitational potential energy of the bead ver- sus time?...
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