PhysAug26

PhysAug26 - .... I have learned that. .... Next steps: Next...

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August 26 Physics
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In: If someone dropped a penny off the Empire State Building (443 m), how long would it take to fall?
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Objective: To understand freefall of objects thrown into the air. Success criteria Be able to solve freefall problems with initial velocity.
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Picket fence freefall lab Problem: to measure the acceleration due to gravity to .5% precision. Background information: 5 important items Hypothesis: preliminary questions Procedure: Diagram Data: Table
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Precision vs Accuracy Uncertainty: (Max-Min)/2 Precision: uncertainty/average x 100 Accuracy: Error %= measured – actual x 100 actual
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Restate the Problem: We were trying to find out. .... Explain the procedure: We did this by. ..... State the results: We found out. .... Explain the results: This is because.
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Unformatted text preview: .... I have learned that. .... Next steps: Next time I would like to try. .... Up-Down: Free fall tricks Acceleration is always -9.8 on Earth. Velocity at the top = 0 To avoid a quadratic calculate top to bottom instead of bottom to top Total time = time up + time down Time up = time down Velocity down = -velocity up Displacement over total trip = 0 Problem set Freefall #1 Work in pairs, put work into Daily work in lab book This is your last chance to understand freefall problems before the quiz. Make sure you understand each problem. If you finish early, help other groups, you are the new experts! Synthesis I own/I dont understand Out: What do you need to study for the test?...
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This note was uploaded on 11/18/2011 for the course PHYS 121 taught by Professor Burgeson during the Fall '11 term at BYU.

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PhysAug26 - .... I have learned that. .... Next steps: Next...

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