Your 60 kg friend is bungee jumping from a bridge which is 60 m high. She...
Your 60 kg friend is bungee jumping from a bridge which is 60 m high. She falls a distance of 25 m before her bungee starts to stretch.
-If she starts from rest at the top of the bridge, what is her change in kinetic energy (in kJ) right before her bungee begins to stretch?
-If the bungee brings her to a stop when she is just about to to hit the ground (has fallen a distance 60 m), what is the elastic potential energy stored in the bungee (in kJ)?
-How far has the bungee stretched from equilibrium when it brings her to a stop?
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