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Do Now -Solve and Indicate if the acceleration is positive or negative. Why?

Do Now -Solve and Indicate if the acceleration is positive or negative. Why?. A car is starting its race from the home and increases his speed to 40m/s over the course of the first 5 seconds. What is the race cars acceleration?

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Do Now -Solve and Indicate if the acceleration is positive or negative. Why?

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  1. Do Now-Solve and Indicate if the acceleration is positive or negative. Why? • A car is starting its race from the home and increases his speed to 40m/s over the course of the first 5 seconds. What is the race cars acceleration? • A cyclist is driving at a rate of 10m/s and slows his speed to 2 m/s when he sees a large hill. He does this in 2 seconds.. What is the acceleration?

  2. Physics Talk • How do you calculate braking distance? • Vi2=-2ad

  3. Physics Talk • How do you calculate braking distance? • Vi2=-2ad vi2 -2a d

  4. Checking up pg. 82, #1-3

  5. IN GROUPS-Use Gutau to solve • A car is traveling at 20m/s, 10 meters ahead a deer runs on the road and the driver hits his brakes…What is the car’s acceleration? Use the braking distance formula to solve…..

  6. WDYTN pg86

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