B. Draw a Picture of the Track, Show a Labeled Scale

B. Draw a Picture of the Track, Show a Labeled Scale

<p> Practice Questions on Motion</p><p>1. You start at the 6 meter mark on a track and go 4 meters per second for five seconds. a. Did you walk or run?</p><p> b. Draw a picture of the track, show a labeled scale.</p><p> c. On the picture from part (b), draw a strobe record showing you at each second. Be sure to start with time zero and be sure to label each picture with the correct time. </p><p> d. Construct a graph of your position as a function of the time.</p><p> e. Did label each axis of your graph in part (d)? Did you put a scale on each axis? Did you label the scales?</p><p> f. CHALLENGE. Write an equation to predict your position as a function of time. 2. Here is table indicating the position of a cart along a track at various times.</p><p>Time (seconds) 0 1 2 3 4 5 6 Position (cm) 220 200 175 145 110 70 25</p><p> a. Draw a strobe record of the cart.</p><p> b. Draw a graph of the cart’s position as a function of time.</p><p> c. Did the cart travel at a constant speed? How can you tell?</p><p> d. What was the average speed of the cart during the entire six seconds? As always, you must explain how you came up with your answer.</p><p> e. SUPER CHALLENGE. Write an equation to predict the cart’s position as a function of time. 3. Here is the position versus time graph for Pete and Suzie as they moved along a course.</p><p> a. Who traveled faster, Pete or Suzie? Give two completely different strategies for answering this question.</p><p> b. Have your team re-enact Pete and Suzie’s motion. One person should be Pete, another person needs to be Suzie, and a third person needs to be the timer.</p><p> c. Write an equation to describe Pete’s position (y) as a function of time (x). Show that your equation works for each second.</p><p> d. According to your equation, where was Pete at 2.4 seconds? Does your answer make sense? 4. Here are the position versus time graphs for Donald’s three nephews as the cruise our course.</p><p> a. Calculate Huey’s average speed. Be sure to carefully explain how you made your calculation.</p><p> b. Which duck waddled the fastest? How can you tell?</p><p> c. Draw a strobe record showing the position of all three ducks at each second.</p>

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