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2005 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching their courses and assessing student learning. Dissemination or sale of any part of this work (including on the World Wide Web) will destroy the integrity of the work and is not permitted. The work and materials from it should never be made available to students except by instructors using the accompanying text in their classes. All recipients of this work are expected to abide by these restrictions and to honor the intended pedagogical purposes and the needs of other instructors who rely on these materials. ConcepTest PowerPoints Chapter 11 Physics: Principles with Applications, 6 th edition Giancoli ConcepTest 11.1a ConcepTest 11.1a Harmonic Motion I 1) 1) 2) 2) A /2 /2 3) 3) A 4) 2 4) 2 A 5) 4 5) 4 A A mass on a spring in SHM has amplitude A and period T . What is the total distance traveled by the mass after a time interval T ? ConcepTest 11.1a ConcepTest 11.1a Harmonic Motion I 1) 1) 2) 2) A /2 /2 3) 3) A 4) 2 4) 2 A 5) 4 5) 4 A A mass on a spring in SHM has amplitude A and period T . What is the total distance traveled by the mass after a time interval T ? In the time interval time interval T (the period), the mass goes through one complete oscillation complete oscillation back to the starting point. The distance it covers is: The distance it covers is: A + A + A + A A + A + A + A (4 (4 A ). ). A mass on a spring in SHM has amplitude A and period T . What is the net displacement of the mass after a time interval T ? 1) 2) A /2 3) A 4) 2 A 5) 4 A ConcepTest 11.1b ConcepTest 11.1b Harmonic Motion II A mass on a spring in SHM has amplitude A and period T . What is the net displacement of the mass after a time interval T ? 1) 2) A /2 3) A 4) 2 A 5) 4 A The displacement is x = x 2 x 1 . Since the initial and final positions of the mass are the same (it ends up back at its original position), then the displacement is zero. ConcepTest 11.1b ConcepTest 11.1b Harmonic Motion II ConcepTest 11.2 ConcepTest 11.2 Speed and Acceleration 1) x = A 2) x > 0 but x < A 3) x = 0 4) x < 0 5) none of the above A mass on a spring in SHM has amplitude A and period T . At what point in the motion is v = 0 and a = 0 simultaneously? ConcepTest 11.2 ConcepTest 11.2 Speed and Acceleration 1) x = A 2) x > 0 but x < A 3) x = 0 4) x < 0 5) none of the above A mass on a spring in SHM has amplitude A and period T . At what point in the motion is v = 0 and a = 0 simultaneously? If both If both v and and a would be would be zero at the same time, the zero at the same time, the mass would be at rest and mass would be at rest and stay at rest!...
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