**Unit 5: Work, Energy and
Power**

**Problem Set A**

**Problem 9: **

Determine the kinetic energy (in Joules) of Renatta Brainze, a 52.9 kg skydiver who is falling with a speed of 41.8 m/s from a height of 6982 feet.

- Read the problem carefully and diagram the physical situation
- Identify known and unknown information in an organized manner
- Take the time to plot out a strategy prior to beginning the solution
- Identify an appropriate formula to use
- Perform step-by-step algebraic manipulations

Work, energy and power concepts can be reviewed on the Set A Overview page.

Further information about the concept of and equation for kinetic energy is available online at The Physics Classroom.

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