A Problem Solving Framework

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A Problem Solving Framework. Based on the work of Heller &amp; Heller University of Minnesota. The traditional “GUESS” method. Givens - Identify the “given” information Unknown - Identify what is wanted Equation - Select equation for solution Solution - Solve equation for unknown

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A Problem Solving Framework

Based on the work of

Heller & Heller

University of Minnesota

The traditional “GUESS” method
• Givens - Identify the “given” information
• Unknown - Identify what is wanted
• Equation - Select equation for solution
• Solution - Solve equation for unknown
• Survey - Make certain solution is realistic
Using the Competent Problem Solver Answer Sheet: Example 1
• An airplane lands on a runway at 175mph. The plane uniformly slows to a stop over a distance of 4049ft. What is the average acceleration in meters/second squared? How many g’s does this represent?
Using the Competent Problem Solver Answer Sheet: Example 2
• A car’s initial mass and velocity are m and v respectively. A truck’s mass and velocity are M and -V respectively. Assuming a head-on collision where they stick together, what is the speed of the vehicles immediately after the collision? The truck is twice the mass of the car; the speed of the car is one-half that of the truck.
Using the Competent Problem Solver Answer Sheet: Example 3
• A toy rocket leaves the surface of the Earth with an acceleration of 35m/s2. After 1.3s, the rocket engine expires. Assuming no wind resistance as it coasts upward, how high does the rocket go?