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Block hanging from spring when a second block is added

  1. Nov 13, 2006 #1
    A block hangs in equilibrium from a vertical spring. When a second identical block is added, the original block sags by 3.00 cm. It wants to know the oscillation frequency of this problem.
    So far I tried solving for F=-ky with F being 2m*g and y equal to .03. I solved for k and plugged that into T=2pi sq root of m/k this however said it was wrong. Any information on how to approach this would be nice.
  2. jcsd
  3. Nov 14, 2006 #2


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    The 3cm sag comes from adding 1m. How much do you think the spring is streteched from its natural length with the 2m hanging on it?
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