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Kinetic Energy: Motion

Kinetic Energy: Motion. Position Distance Displacement Speed Velocity Vector Scalar. Important Vocabulary. This is precisely where an object is located. Position. Distance: The total length of travel from beginning to end. Displacement: The change in position. .

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Kinetic Energy: Motion

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  1. Kinetic Energy: Motion

  2. Position Distance Displacement Speed Velocity Vector Scalar Important Vocabulary

  3. This is precisely where an object is located Position

  4. Distance: The total length of travel from beginning to end. Displacement: The change in position. Distance and Displacement

  5. Jay-Z walks 5 kilometers east to Beyonce. Then he walks 6 kilometers west. Calculate the total distance Jay-Z walks and the total displacement Jay-Z walks from Beyonce. Distance and Displacement (5K) (6K)

  6. Speed: The distance divided by the time. Speed is never negative(-). Velocity: The displacement divided by the time. Displacement can be positive, negative or zero (+, -, 0). Speed and Velocity

  7. Has only magnitude (Number or amount) • Examples include: • Time • Mass • Distance • Speed Scalar

  8. Has both magnitude and direction • Examples include: • Displacement • Velocity • Acceleration vector

  9. The rate at which the velocity changes with time • a = Vf-Vi t acceleration

  10. A flowerpot falls off a second-story windowsill. The flowerpot starts from rest and hits the sidewalk 1.5s later with a velocity of 14.7m/s. Find the average acceleration of the flowerpot. Given: t=1.5s, Vi= 0m/s down, Vf=14.7m/s down Acceleration = (14.7-0)0/1.5 = 9.8 Acceleration Example

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