Conceptual Physics Crash Barrier Lab Purpose: To build a model of a crash barrier that will lower the impact force felt by a car. Materials: You will have access to a set number of 8.5”x11” pieces of scrap paper. You may use only hot glue to connect your pieces. You are not allowed to use hot glue in excess for it is not a “structural material.” The glue should only be used at contact points between the paper and deductions will be made if it is used elsewhere. Crash Barrier Drawing: With your group draw out your ideas for how to create your crash barrier in your notebook. Be sure to label all the pieces and clearly draw it so you will have a guide when you go to make it. Build your crash barrier carefully following your design. Remember that taking care in constructing your design will improve performance. Once your crash test barrier is built record its measurements in your data table. Testing Procedure: All crash barriers will be tested the same way by the teacher. The same cart will be rolled down an incline from the same height for all groups. Your crash barrier will be between the cart and a wall. Your crash barrier must be free standing and not attached to the wall or to the surface. The effectiveness of your crash barrier will be measured two ways: (1) Using an accelerometer on the cart we will determine the acceleration that the cart felt. With this information and the mass of the cart you will calculate the force that it felt. (2) Measuring the compression of your crash barrier. Other information like time of impact may be collected. You may also make observations of the car’s impact with your crash barrier and the before and after measurements of your crash barrier. You may find this graphic organizer helpful for constructing your Claim, Evidence and Reasoning: Evidence #1 A fact you know from your lab; a piece of data but not an inference about that data.
Reasoning #1 Explain what your data tells you and how it supports your Claim in answering the question.
Evidence #2
Reasoning #2
Your Claim should answer the question but not include any information from your lab (data, etc.). It should be specific and clear.
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Feb 28, 2018 - M kt cap (Btbn/US$m n) ...... the Office of the Securities and Exchange Commission, is made in order to comply with the policy and sustainable ...
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Physics: CP Homework. Directions: Complete the following questions using your notes and previous homework to help. Show all your work and include units, when necessary. Write in complete sentences, when necessary. 1. List three safety rules you feel
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The developed model gives insight into the processes taking place during failure ... dimensional illustration may be presented as a periodical crack system.
We want to look at the bottom side of the leaf. 3) Observe the slide under low power and medium power. Using medium power, make a detailed drawing showing the different kinds of cells you see. Include at least one stoma. Notice the shape and arrangem
Convert the information ..... 32) Use the picture of the blood drop just as it impacts the surface to find an equation .... http://www.jfklancer.com/BloodEvidence.html.
