Homework Help: college physics

Posted by Anonymous on Friday, October 30, 2009 at 5:06pm.

A 1.3 g spider is dangling at the end of a silk thread. You can make the spider bounce up and down on the thread by tapping lightly on his feet with a pencil. You soon discover that you can give the spider the largest amplitude on his little bungee cord if you tap exactly once every 3 seconds.
What is the approximate spring constant of the silk thread?

college physics - bobpursley, Friday, October 30, 2009 at 5:23pm
Isn't f=1/2PI * sqrt(k/M)

f, of course, is 1/period

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