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Classroom Standards: Differentiating Speed and Velocity
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Classroom Standards: Differentiating Speed and Velocity

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Questions and Answers

What is the formula for velocity according to the given text?

  • v = t * d
  • v = d / t (correct)
  • v = t / d
  • v = t + d

    • If a runner's position changes from 15 m east to 40 m east in 3 seconds, what is the runner's average velocity?

  • 5 m/s east
  • 25 m/s east (correct)
  • 10 m/s east
  • 15 m/s east

    • What is the difference between speed and velocity?

  • Speed has direction while velocity does not.
  • Velocity is always positive while speed can be negative.
  • Speed is a scalar quantity while velocity is a vector quantity. (correct)
  • Speed is calculated as displacement divided by time, while velocity is distance divided by time.

    • A boat travels downstream at 200 km and then upstream at 30 km. What is its average speed for the round trip?

    <p>105 km/hr</p> Signup and view all the answers

    What is the average velocity of the boat for the round trip?

    <p>70 km/hr downstream</p> Signup and view all the answers

    In the context of an airplane traveling, what does northeast direction refer to?

    <p>45 degrees clockwise from east</p> Signup and view all the answers

    How does speed differ from average speed in terms of calculations?

    <p>Speed considers the initial and final positions, while average speed only considers the total path length.</p> Signup and view all the answers

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