Lesson P1-09-1 Post-Lecture Quiz

QuizÂ by Zach Baudoin

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5 questions

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- Q1A perfectly elastic ball is dropped from rest from a height 5 m above a floor. What is the period of the ball's motion as it bounces back up repeatedly to the same height?4 s5 s2 s3 s1 s30s
- Q2If a 5 kg object oscillates with a period of 2 seconds on a spring, then the spring constant is most nearly...50 N/m20 N/m10 N/m30 N/m40 N/m30s
- Q3What length must a simple pendulum's string have if the pendulum oscillates so that it takes 1 second to swing forward and 1 second to swing backward?0.5 m1 m2 m0.25 m0.4 m30s
- Q4A mass on the end of a spring oscillates with period T1. An equal mass on the end of a string oscillates as a pendulum with period T2. Suppose each mass is multiplied by 4. What happens to each period?T1 stays the same and T2 increasesT1 increases and T2 stays the sameT1 stays the same and T2 decreasesT1 stays the same and T2 stays the sameT1 increases and T2 increases30s
- Q5A mass on the end of a spring oscillates with period T1. An equal mass on the end of a string oscillates as a pendulum with period T2. Suppose each system is taken to a planet with four times the gravitational field. What happens to each period?T1 stays the same and T2 decreases.T1 decreases and T2 stays the same.T1 stays the same and T2 stays the same.T1 increases and T2 stays the same.T1 increases and T2 decreases.30s