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Speed, Distance, Time!

Speed, Distance, Time!. Question 1 - 10. What equation do you use to find distance traveled?. Answer 1 – 10. Distance = Xf - Xi. Question 1 - 20. What is the equation to find Speed?. Answer 1 – 20. Speed = distance / time. Question 1 - 30. What equation do you use to find time?.

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Speed, Distance, Time!

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  1. Speed, Distance, Time!

  2. Question 1 - 10 • What equation do you use to find distance traveled?

  3. Answer 1 – 10 • Distance = Xf - Xi

  4. Question 1 - 20 • What is the equation to find Speed?

  5. Answer 1 – 20 • Speed = distance / time

  6. Question 1 - 30 • What equation do you use to find time?

  7. Answer 1 – 30 • Time = distance / speed

  8. Question 1 - 40 • What does “ “ mean and what is it called?

  9. Answer 1 – 40 • Delta means “change in”

  10. Question 1 - 50 • How do you find the slope of a line?

  11. Answer 1 – 50

  12. Question 2 - 10 • Bonnie rode her skateboard 200 meters (m) in 30 seconds (s). Raul rode his unicycle 300 m in 50 s. Who traveled faster? How do you know?

  13. Answer 2 – 10 • Bonnie 200m/30s= 6.66m/s • Raul 300m/50s= 6m/s • Bonnie is faster!

  14. Question 2 - 20 • A truck left a diner at 1:00 p.m. and drove 360 km to Jersey City. The truck arrived at 7:00 p.m. • How fast did the truck travel?

  15. Answer 2 – 20 • 360 km / 6 h = 60 km/h

  16. Question 2 - 30 • Beth’s motor scooter gets 110 km/gal. How far can she go on 2.5 gal of fuel?

  17. Answer 2 – 30 • Beth’s motor scooter gets 110 km/gal. How far can she go on 2.5 gal of fuel? • 110km x 2.5 = 275 km

  18. Question 2 - 40 • An ostrich can run 10 km in 15 minutes. What is its speed in kilometers / hour?

  19. Answer 2 – 40 • An ostrich can run 10 km in 15 minutes. What is its speed in kilometers / hour? • 10 km x 4 = 40 km/h

  20. Question 2 - 50 • It took Jacob 6 hours to drive from his home to school at a speed of 60 mph. If he only has 4 hours to return to is home, what should his speed be?

  21. Answer 2 – 50 • In order to find out how fast he should go, I need to know the distance. • d = s x t d = 60 m/h x 6 h d = 360 miles • I know the distance to home is 360 miles and time is 2 hours. I use the speed equation. • s = d / t s = 360 m / 4 hours s = 90 m/h

  22. Question 3 - 10 • Which runner is the fastest? How do you know?

  23. Answer 3 – 10 • Springer! • This runner traveled further in a shorter amount of time. The line is steeper than the rest.

  24. Question 3 - 20 • Order these people from fastest to slowest.

  25. Answer 3 – 20 Carol, Max, Kiran!

  26. Question 3 - 30 • Look at this graph. What is the average speed of the object from 0 seconds to 70 seconds? • (You can use a calculator)

  27. Answer 3 – 30 • Average Speed = slope = rise/run • 30m/70s=3/7= 0.43m/s

  28. Question 3 - 40 • What is the position at leg 3?

  29. Answer 3 – 40 • 2.5 km

  30. Question 3 - 50 • Make up a story that follows the graph lines.

  31. Answer 3 – 50 • Answers vary…

  32. Question 4 - 10 • Make a graph of this data: • Time (s) : 1 2 3 4 5 • Distance (m): 10 30 50 70 90

  33. Answer 4 – 10 Distance meters Time (s)

  34. Question 4 - 20 • Graph this story: • Nathan was walking to Walmart to buy a new duck call. He walked 2 miles in 30 minutes. He then decided to walk to the nearest Aflac store to see if he could call in the Aflac duck. That took him 3 more miles which he ran in 20 minutes.

  35. Answer 4 – 20 Distance m Time (min)

  36. Question 4 - 30 • This is data that Mr. Walters student had written in their lab notebook. Please fix it and draw a graph to represent their data.

  37. Answer 4 – 30 D i s t a n c e cm Time (s)

  38. Question 4 - 40 What is wrong with this data and graph?

  39. Answer 4 – 40 The 5 second data point is off by about 4 cms.

  40. Question 4 - 50 Gaston says that “Gaston’s snail” is the faster snail because it is the longer line. Is he right or wrong? Explain.

  41. Answer 4 – 50 • Gaston is wrong. Use s=d/t • 15cm/60s= .25cm/s  Gaston’s snail speed • 12cm/40s= .30cm/s  Bert’s snail speed

  42. Question 5 - 10 • Jy’siah rode her bike 3 hours at a speed of 20 km/h and then 2 hours at a speed of 10 km/h. What was her average speed for the whole trip?

  43. Answer 5 – 10 • Jy’siah rode her bike 3 hours at a speed of 20 km/h and then 2 hours at a speed of 10 km/h. What was her average speed for the whole trip? • (1) d= s x t d=20km/h X 3 h = 60km • (2) d=s x t d=10km/h x 2 h =20km • Average speed = total distance/ total time • Average speed = 80km/5h Average speed=16km/h

  44. Question 5 - 20 • How fast did Max run?

  45. Answer 5 – 20 • 300cm/100s = 3cm/s

  46. Question 5 - 30 • Ben Jammin’ walked from our room, to the drinking fountain for a 3 second drink, then came back at a constant rate. Draw a position-time graph to show is motion.

  47. Answer 5 – 30 Position time

  48. Question 5 - 40 • Grace went 60mph on the highway with her magical dragon for 3 hours. • Kathleen raced her going 50 mph with her jetpack for 4 hours. • Who went further?

  49. Answer 5 – 40 • 60mph x 3 hrs = 180 miles • 50mph x 4 hrs = 200 miles • Kathleen went further!

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