biomech quiz3

biomech quiz3 - in American Football? Section 2 1. A runner...

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After you have finished reading Assignment 3, answer the following questions; the purpose of these questions is to help you better understand the primary objectives of the study. The second section of the quiz covers concepts discussed in class. You may write and save your answers in a Word document, but please cut and paste them into the entry box when you submit them. You may use the actual article to answer the questions in Section 1, and you may use the equation sheet that can be accessed on the welcome page of the class website to answer the questions in Section 2. You cannot use friends or others to help you complete this quiz. Section 1 1. What was the purpose of this research study? 2. What indpendent and dependent variables were used to accomplish the purpose of this study? 3. With the results of this specific study in mind, what strategies might football coaches and players utilize to decrease the probability of head and neck injuries
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Unformatted text preview: in American Football? Section 2 1. A runner jogs 2 laps around a 400 meter track in 6 minutes and 40 seconds. He then goes 2 more laps in 3 minutes and 30 seconds before stopping at the point on the track where he began. What was his average velocity? 2. What was his displacement? 3. A basketball player dribbles down the court. At one point her velocity was 2.7 m/s, however, 0.4 seconds later, her velocity was 3.9 m/s. What was her acceleration during this time? 4. During a free kick (the ball is not moving previous to being struck) a soccer ball is kicked upward at a 40 degree angle (relative to the ground) with an initial velocity of 30 m/s. The players foot makes contact with the ball for only .23 seconds.What is the average acceleration the ball experiences while in contact with the foot? 5. Ignoring the effects of air resistance, what is the maximum height that the ball will reach?...
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This document was uploaded on 11/03/2011 for the course BIOMECH 340 at BYU.

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