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Speed, Velocity, and Acceleration

Speed, Velocity, and Acceleration. Speed - Review. Measurement of distance traveled per unit of time speed = distance / time (s=d/t). Comparison Speeds. Distance and Displacement.

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Speed, Velocity, and Acceleration

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  1. Speed, Velocity, and Acceleration

  2. Speed - Review • Measurement of distance traveled per unit of time • speed = distance / time (s=d/t) Comparison Speeds

  3. Distance and Displacement • Distance – How far: “How far is it to your house? Or How far is it between Dallas and Houston?” (If you had to walk it…) • Displacement – how far from start to finish (in a straight line in a specific direction) ---THE SHORTEST PATH

  4. Example: These cars are traveling at similar speeds but their velocities are different. Why?

  5. In 10 words or less… Tell your partner the difference between speed and velocity. Brainstorm What are the three different ways your car can accelerate?

  6. Acceleration – Change in motion • Changing direction • Turning a corner, making a U-turn • Speeding up • positive acceleration • Slowing down • negative acceleration

  7. How are speed, velocity, and acceleration related?

  8. Self Check:Which of the following are examples of velocity? 25 m/s forward • A. 25 m/s forward • B. 1500 km/h • C. 55 m/h South • D. All of the above 55 m/h South

  9. Read the scenario below. With your partner, list all the different examples in which the car changes velocity. A car is sitting at a stop light. The light turns green and the car moves forward. As it approaches the corner, it does not slow down but does turn right. The car continues driving down the street until it reaches it’s destination, then it stops.

  10. A paper airplane is traveling towards a student. The airplane travels 10 meters in 2 seconds before hitting the student. What is the velocity of the plane? A. 5 m/s B. .5 m/s C. 5 m/s toward the student D. .5 m/s toward the student 5 m/s toward the student

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