SCAN0045 - 9 A mass on a string of unknown length...

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Unformatted text preview: 9. A mass on a string of unknown length oscillates as a pendulum with a period of 6.0 5. What is the period if: a. The mass is doubled? b. The string length is doubled? 7": 277- 1} A c. The string length is halved? m d. The amplitude is doubled? ? 10. The bow of a destroyer undergoes simple harmonic vertical pitching motion with a period of 12.0 s and an amplitude of 2.5 m a. What is the maximum vertical velocity of the destroyer’s bow? b. What is the magnitude of the maximum acceleration? c. A 75 kg sailor is st ding on a scale in the bunkroom in the bow. What are the maximum and minim m readings on the scale 1n N? "r. 2.577 ‘ ‘12:; mm: «— W“ 'Ws ’EELJ . m mgr; C‘. a: a? + (‘9ng :- mw gamma “mm”. anw W 1. F: m we (75}: /7 5: WV «1m H—mm: Wm‘_>~w} We Ffiwau Neal“)? E?“ g‘ig “05933 J: F: 4/1/zf'75) 7’ ...
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