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Speed and Acceleration Practice

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Speed and Acceleration Practice

1. 1. Formulas <ul><li>S = D/T </li></ul><ul><li>D = S*T </li></ul><ul><li>T = D/S </li></ul><ul><li>a = (final velocity – starting velocity)/time </li></ul>
2. 2. <ul><li>S = 15 m/s </li></ul><ul><li>T = 45 seconds </li></ul>
3. 3. <ul><li>D = 288 miles </li></ul><ul><li>S = 48 mph </li></ul>
4. 4. <ul><li>D = 15.6 km </li></ul><ul><li>T = 3 min </li></ul>
5. 5. <ul><li>T = 24 hours </li></ul><ul><li>S = 71 km/hour </li></ul>
6. 6. <ul><li>D = 35 feet </li></ul><ul><li>T = 9 sec </li></ul>
7. 7. <ul><li>S = 800 inches/min </li></ul><ul><li>D = 36000 inches </li></ul>
8. 8. <ul><li>Final speed = 18 m/s </li></ul><ul><li>Starting speed = 0 m/s </li></ul><ul><li>Time = 4 sec </li></ul>
9. 9. <ul><li>Final speed = 75 mph </li></ul><ul><li>Starting speed = 0 mph </li></ul><ul><li>Time = 9 sec </li></ul>
10. 10. <ul><li>Final speed = 0 mph </li></ul><ul><li>Starting speed = 28 mph </li></ul><ul><li>Time = 7 sec </li></ul>
11. 11. <ul><li>Final speed = 15 km/hour </li></ul><ul><li>Staring speed = 47 km/hour </li></ul><ul><li>Time = 8 min </li></ul>
12. 12. <ul><li>Final speed = 12 m/s </li></ul><ul><li>Starting speed = 12 m/s </li></ul><ul><li>Time = 85 sec </li></ul>
13. 13. <ul><li>Final speed = 350 m/s </li></ul><ul><li>Starting speed = 200 m/s </li></ul><ul><li>Time = 18 sec </li></ul>
14. 14. <ul><li>Bob was standing outside my classroom. He heard a loud explosion and started running. He ran 45 feet down the hallway in 5 seconds. What was his average speed? </li></ul>
15. 15. <ul><li>George was going for a ride on his hot rod unicycle. Starting at rest, it took him 2.5 seconds to reach a speed of 24 m/s. What was his acceleration? </li></ul>
16. 16. <ul><li>Bob and George went to Disney World. They decided to ride a roller coaster. The coaster started at rest and six seconds later had them traveling 80 mph. What was the acceleration of the roller coaster? </li></ul>
17. 17. <ul><li>After their wild roller coaster ride, Bob and George decided they would go on the much slower carousel. The ride started and they were greatly enjoying the time to relax when suddenly the carousel began spinning uncontrollably at 113 mph. In complete sentences, explain two DIFFERENT ways in which Bob and George were accelerated during their carousel ride. </li></ul>
18. 18. 90 meters 40 meters Bob is running laps around the track below. He runs 12 laps. He completed his run in 13:12 minutes. What was his average speed in meters per second?