Recent content by thinktoohard

  1. T

    University physics, waves, multiple choice.

    Thanks anyways I figured it out, Sub λ = 2L -> f = v/λ -> L = v/(2f), -> sub into v = sqrt.(ft/(m/L)) for -> v = sqrt.(FT/(m/(v/2f))) then isolate for v, gives you v = 24.25 m/s, -> v/2f = L -> L = 1.2125 -> L/v = 0.05 s.
  2. T

    University physics, waves, multiple choice.

    Homework Statement A cord with a mass of 40g is tied between two supports with a tension of 19.2N. The natural frequency of the cord is 10Hz. Find the length of the cord a.1.2m b.2m c.289m d.34cm Using your answer from Question 3, how long does the wave take to travel from one end of the...
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