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

**Problem Set A**

**Problem 2: **

Renatta Gass applies a rightward force of 717 Newtons to her 1158 kg car to displace it rightward across the ice. She does a total of 49821 Joules of work on the car. Determine the displacement (in meters) of the car.

- 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 work is available online at The Physics Classroom.

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