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Unit 2, Lesson 6 (green)
pages 82-85
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1. How long did it take Raul to finish the race?
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2. Raul rides in another 100-mile race, but his average speed is half of what it was in the first. How long does the second race take him?
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3. What distances in meters (m) do the people walk?
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4. What is each person's displacement?
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5. What is the car's average speed between home and shopping mall?
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6. What is the car's average velocity between home and the shopping mall?
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7. When Steve steps on the moving walkway, his velocity combines with that of the walkway. What is Steve's velocity on the walkway?
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8. If Steve maintains his velocity after stepping on the moving walkway, what is his velocity relative to someone standing still on the same walkway?
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9. Still maintaining his +1.5 m/s velocity on the moving walkway. Steve passes a women sitting near the walkway. What is his velocity relative to that women?
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10. Delaney shouts and hears an echo. The sound has reflected form a building that is 680 m away. If the speed of sound is 340 m/s, how much time elapsed between Delaney's shout and when she heard the echo?
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11. What is the velocity of the block at 3 seconds?
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12. What will be the velocity of the block at 4 seconds compared to its velocity at 3 seconds if it continues to free fall?
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13. Which statement describes the object's motion during Interval A?
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14. Which statement describes the object's motion during Interval B?
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