ANSWER07 2010 - Lab Section: _ Name: ANSWERS Lab...

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Lab Section: ________________ Name: ANSWERS Lab Instructor: ___________________ Instructor’s Signature: __________________ P2207 Lab Working Notes Questions 7-1 Cornell University, Fall 2010 Lab 7 - Collisions This is a revised version of Lab 7 in your lab manual. All the instructions you need to do the lab are right here on this yellow sheet. Please attach copies of your graphs from Logger Pro. This experiments in this lab are done with all the students and the TA working together. A. Car vs. Bus Collision Experiments Two toy vehicles will be collided together: a "car" and a "bus". The front bumper of each vehicle contains a force sensor. The TA will open Logger Pro using the alias Car vs Bus 2010. You will see a two-graph layout: Force on Car and Force on Bus. Each graph is plotted vs. time. Experiment 1: First we'll do the collision with a hard rubber bumper on each vehicle. Zero both the force probes. Start data acquisition and collide the two vehicles together (not too violently, please!) Using Analyze/Integral , the TA will measure the area under each force vs. time graph. Record those values here: Area under Force on Car graph: 14.95 N.s [units] Area under Force on Bus graph: -15.33 N.s [units] The TA will print out a copy of the graphs for every student. [Please print p.1 only, and don't print the footer!] Experiment 2: Now we repeat the collision with a spring bumper on the car. Install the spring bumper on the car, and zero both the force probes. Start data acquisition and collide the two vehicles together. The TA will measure the area under each force vs. time graph. Area under Force on Car graph: 19.04 N.s [units] Area under Force on Bus graph: -19.19 N.s [units] The TA will print out a copy of the graphs for every student. [Print p.1 only!]
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P207 Lab Working Notes Questions 7-2 Cornell University, Fall 2010 B. Car vs. Wall Collision Experiment Now we'll collide the car with the wall of the lab. For this experiment, we will run Logger Pro
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ANSWER07 2010 - Lab Section: _ Name: ANSWERS Lab...

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