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March 4, 2015

March 4, 2015

Posted by **clueless** on Friday, May 22, 2009 at 12:13am.

Ignoring the mass of the spring, what is the mass m of the fish?

(and why the heck do we have a fish on a spring?)

- physics -
**bobpursley**, Friday, May 22, 2009 at 9:16amI am uncertain when is the length 10cm? When stretched with a 250N force?

if so, k=250/.1=2500N/m

If you are in a calculus based physics course, this is of some interest

http://www.kettering.edu/~drussell/Demos/SHO/mass.html

If you are in a plug and chug physics course, then

f=1/2PI *sqrt(k/m) and you solve for m.

- physics -
**annie**, Friday, May 22, 2009 at 3:02pmthanks! i used the two equations for w0 and set them equal to each other and solved for m and it worked!

thanks!

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