Claudia goes bungee jumping. she has a mass of 51kg. the bungee cord will stretch 5m when a force is applied to it. what is the spring constant of the bungee cord?

Claudia's mass is 51 kg, therefore her weight is
W = (51 kg)*(9.8 m/s) = 499.8 N

The bungee cord extends by x = 5m due to the weight.
By definition the spring constant for the bungee cord is
k = W/x = (499.8 N)/(5 m) = 99.96 N/m

The spring constant is 100 N/m (nearest tenth)

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