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# Work, Energy & Power

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A Bungee Jumper jumps off of height H and just reaches the bottom of the cliff with a zero velocity. Just before her cable snaps her back upward, while she is motionless, she grabs a rock of mass m1.

You observe that the jumper achieves the height h on the way back up. What is m1?

When you evaluate, consider the cases h=H and h=0

See attached file for diagram.

https://brainmass.com/physics/power/solving-problems-involving-work-energy-power-255857

#### Solution Preview

Problem: A Bungee Jumper jumps off of height H and just reaches the bottom of the cliff with a zero velocity. Just before her cable snaps her back upward, while she is motionless, she grabs a rock of mass m1. You observe that the jumper achieves the height h on the way back up. What is m1? When you evaluate, consider the cases h=H and h=0

Solution:

Please refer to the attachment for full solution.

Only forces acting on the jumper are the gravity and the elastic force of the cable (after it gets ...

#### Solution Summary

A step by step solution provided for work, energy and power problems given certain variables, involving mass, height and velocity.

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