What is the spring constant of the bungee cord

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Q. A time-dependent force, = (9.20 - 4.80t) N (where t is in seconds) is applied to a 2.00 kg object initially at rest.

At what time will the object be moving with a speed of 15.0 m/s?

Q. A 75 g bungee cord has an equilibrium length of 1.20 m. The cord is stretched to a length of 1.80 m, then vibrated at 20 Hz. This produces a standing wave with two antinodes. What is the spring constant (k) of the bungee cord?

Reference no: EM1359288

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