10.1 reinf ditstance_time%20_graph

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10.1 reinf ditstance_time%20_graph

  1. 1. NAME DATE CLASS 10.1 Measuring Motion and Speed REINFORCEMENT Chapter 3 Use with Text Pages 318-324Sasha, Kim, and Barry decided to have a 10-km bicycle race after school. They asked the coach to showthem how far 10 km was on the school track. They then had their race on the track. Their race resultsare shown on the time-distance graph below. Use this graph to fill in the table of race results, calculateaverage speeds, and answer the questions. 10 9 Kim 8 7 Distance (km) 6 Barry 5 Sasha 4 3 2 1 0 0 5 10 15 20 25 30 35 40 45 50 55 60 Time (minutes) Race ResultsCyclist Total distance Total time Average speed Kim Sasha Barry1. Which cyclist kept a constant speed during the entire race? What was this speed?2. Which cyclist won the race? What was the winning time?3. Which cyclist placed second in the race? What was second place time?4. Which cyclist placed last? What was last place time?5. Which cyclist started off fastest? Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 13

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