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Practice 2A #’s 1-4

Practice 2A #’s 1-4. 1. 2.0 km to the east 2. 3.1 km to the south 3. 680 m to the north 4. 3.00 hours. Physics 2.1. Displacement and Velocity Conceptual Challenge…

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Practice 2A #’s 1-4

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  1. Practice 2A #’s 1-4 1. 2.0 km to the east 2. 3.1 km to the south 3. 680 m to the north 4. 3.00 hours

  2. Physics 2.1 Displacement and Velocity Conceptual Challenge… A space shuttle takes off from Florida and circles Earth several times, finally landing in California. While the shuttle is in flight, a photographer boards a flight and flies from Florida to California to take pictures of the astronauts when they land and step off the space shuttle. Who undergoes the greater displacement? Explain your reasoning. Now assume the photographer flies back to Florida. Who undergoes the greater displacement?

  3. I. Motion A. Everywhere… 1. 1 Dim – simplest form a. Point A to Point B b. Time c. Frame of Reference -how do we know something moves? -Earth spins 1000 mph… -Earth orbits sun at 30 km/sec or 67,000 mph

  4. II. Displacement A. Def – change in position 1. 2. What is the displacement of the gecko on pg. 41? 3. Can be pos. or neg. B. Misconception 1. Not always equal to distance traveled. 63 cm

  5. Point A 100 m Point B What is the distance traveled? What is the displacement?

  6. III. Velocity A. Formula B. Can be positive or negative C. Quantity and label D. Ex: You travel to a friends house that is 25 km south of Hull. If it takes you 21 min, what is your speed in km/hr? What is your velocity? 71 km/hr 71 km/hr south

  7. E. Not the same as speed… F. Can be determined on a graph. Constant velocity Positive velocity Negative velocity Time (min) Instantaneous velocity - speed at one given point

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