11.07.2015 Views

Mathematics and Society - OS X Lion Server

Mathematics and Society - OS X Lion Server

Mathematics and Society - OS X Lion Server

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-=-RSWINGINGTIME(COtJTII\lUED)III Use the same number of weights as in trial #1, butshorten the pendulum 10 cm.What effect do youthink this will have on the time for 10 beats?Try it.Record your results in the table below.StringAmount Time for Time forChanged Length 10 Beats 1 BeatTrial 1/5Trial 1/6Trial 1/7Shorten by10 cmShorten by10 cm moreShorten by10 cm more40 cm30 cm20 cm10 cmTrial 1/8 longer than 60 cmtrial 1/1Trial 1/9Increase10 cm more70 cmC~AtJGE.THE:U:k\GTHOF T\iCPE~DULUMA. LITTLEYour ownTrial 1/10choice---IV Make a graph of trials #4 through #10.A seconds pendulum has one beat inexactly one second. Using yourgraph what would be the length ofa seconds pendulum? ___ cmHow can you be Sure this answer iscorrect?\0 20 30 '10 50 C?J:) '10 80LE.fJGTI-\ Of 5TRIt-lG It\.! om.335

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