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Object Dropped on a Spring

  1. Oct 25, 2007 #1
    [SOLVED] Object Dropped on a Spring

    1. The problem statement, all variables and given/known data

    A 1.30 kg object is held 1.20 m above a relaxed, massless vertical spring with a force constant of 310 N/m. The object is dropped onto the spring.
    (a) How far does the object compress the spring?

    (b) How far does the object compress the spring if the same experiment is performed on the moon, where g = 1.63 m/s2?

    (c) Repeat part (a), but now assume that a constant air-resistance force of 0.700 N acts on the object during its motion.

    2. Relevant equations

    3. The attempt at a solution

    I found the answers for part a and b to be .357832 and .1351 respectivly, but I'm not sure on how to solve part c which adds in the friction of air.
  2. jcsd
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