"A 61.2 kg bungee jumper jumps from a bridge. She is tied to a 11.2 m long (unstretched) bungee cord and falls a total of 32.4 m. Calculate the spring constant k of the bungee cord."
Here's how I approached this question:
(1/2)(k)(x^2) = mgH
k = 2mgH/x^2
k = (2)(61.2)(9.8)(32.4)/11.2^2 = 309.8 N/m
But this is not the right answer. Help!
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Though the formula you have applied is correct but the values you have put in ...
The spring constant of a bungee cord is calculated.