Quiz 4a _solution_

Quiz 4a _solution_ - P7A Quiz 4a DL Sec Name(last(first...

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P7A Quiz 4a DL Sec ___ Name ( last ) _______________________ ( first ) ____________________ |__|__|__| Student ID _________________________ first 3 letters last name I certify by my signature that I will abide by the code of academic conduct of the University of California. Signature ________________________________________ NOTE: As always, you will be graded on the quality of your response. Formulas and data table on back Rubric Codes: 1. A small metal pinball rolls down a short ramp into a spring which stops it. If the balls mass is 50g and the spring has a constant k=200 J/m 2 , what will be the springs maximum compression? The ball starts with a speed of 8m/s and the ramp is 5cm high, as drawn. Please double check your units. We choose the initial and final indicators to be from when the ball starts at the top of the hill to when the ball comes to a stop at the bottom with the spring compressed: Δ PE g + ΔKE+Δ PE s =0 mg Δ y+1/ 2mΔv 2 +1/2k Δ x 2 =0 (0.05)(9.8)(0.0-0.05)+1/2(0.05)(0.0
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Quiz 4a _solution_ - P7A Quiz 4a DL Sec Name(last(first...

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