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homework 31 - homework 31 NOORANI ZOHEB Latest unpenalized...

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homework 31 – NOORANI, ZOHEB 1 Latest unpenalized work: Apr 14 2008 Mon- day 04:00 (after this date you can not make a perfect score). Work cutoff: Apr 15 2008, 4:00 am. Question 1, chap 15, sect 5. part 1 of 3 10 points A uniform disk of radius 0 . 1 m and 5 . 6 kg mass has a small hole a distance from the disk’s center that can serve as a pivot point. 0 . 1 m 5 . 6 kg The acceleration of gravity is 9 . 81 m / s 2 . What should be the distance so that the period of this physical pendulum is 2 . 1 s? (If there are two possible answers, answer with the smaller distance.) Answer in units of m. Question 2, chap 15, sect 5. part 2 of 3 10 points What should be the distance so that this physical pendulum will have the shortest pos- sible period? Answer in units of s. Question 3, chap 15, sect 5. part 3 of 3 10 points What will be the period at this distance? Answer in units of s. Question 4, chap 15, sect 99. part 1 of 3 10 points A particle rotates counterclockwise in a cir- cle of radius 8 . 1 m with a constant angular speed of 15 rad / s . At t
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