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Catalyst

Catalyst. 1. What is the difference between speed and velocity? 2. Put these objects in order from slowest to fastest: Peregrine falcon Cheetah Human Car (at the highway speed limit) Mako shark Ocean wave Maglev train. Catalyst. Put these objects in order from slowest to fastest:

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Catalyst

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  1. Catalyst 1. What is the difference between speed and velocity? 2. Put these objects in order from slowest to fastest: • Peregrine falcon • Cheetah • Human • Car (at the highway speed limit) • Mako shark • Ocean wave • Maglev train

  2. Catalyst Put these objects in order from slowest to fastest: • Peregrine falcon (#6, 200 mph) • Cheetah (#5, 70 mph) • Human (#2, 25 mph) • Car (at the highway speed limit) (#4, 60 mph) • Mako shark (#3, 31 mph) • Ocean wave (#1, 4.5 mph) • Maglev train (#7, 350 mph)

  3. Speed and Velocity

  4. Formulas Speed speed = distance time s = d t *speed of a car is mph = miles = distance hour time

  5. Speed vs. Velocity

  6. IFAS Problem Solving IFAS Info – all information given Formula - written and ready to use Algebra - work shown with numbers and units Solution - circled and identified

  7. Ex1: Calculate the speed for a car that went a distance of 120 miles in 2 hours time. d=120 miles t=2 hours s=d/t My Example s=120mi / 2hr s= 60 mi/hr or 60 mph

  8. Ex2: A baseball is thrown a distance of 60 feet. What is its velocity if it takes 5 seconds to cover the distance from the pitcher’s mound to home plate? Your Example

  9. Ex3: How much time does it take for a bird flying at a velocity of 45 miles per hour south to travel a distance of 1,800 miles? My Example

  10. Formulas d s t

  11. Ex4: A comet is cruising through the solar system at a speed of 50,000 km per hour for 4 hours. What is the total distance traveled by the comet during this time? Your Example

  12. Graphing Distance vs. Time

  13. Graphing Distance vs. Time d d d t t t No Motion Constant Speed Increasing Speed

  14. Ex5: Every summer I drive to Michigan. It is 3900 km to get there. If I average 100 km/hr, how much time will I spend driving? Example #5

  15. Ex6: The pitcher’s mound in baseball is 80 m from the plate. It takes 4 seconds for a pitch to reach the plate. How fast is the pitch? Example #6

  16. Ex7: If you run a t 12 m/s for 15 minutes, how far will you go? Example #7

  17. Ex8: A bullet travels at 850 m/s. How long will it take a bullet to go 1000 m? Example #8

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