Physics

11th

grade

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Physics: Homework Week 5a

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18 questions

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  • 1. Multiple Choice
    5 minutes
    1 pt
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    A dog basks in the sun when he sees a squirrel and bolts after it. If the dog accelerates at +1.6 m/s/s, how far does he run in 3 seconds?

    4.8 meters

    45 meters

    1.6 meters

    7.2 meters

  • 2. Multiple Choice
    15 minutes
    1 pt
    A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its velocity will be:
    19.6 m/s
    -5.4 m/s
    -44.6 m/s
    44.6 m/s
  • 3. Multiple Choice
    15 minutes
    1 pt
    An object with an initial velocity of 3.50 m/s moves east along a straight and level path. The object then undergoes a constant acceleration of 1.80 m/s2 east for a period of 5.00 s. How far does the object move while it is accelerating?
    6.30 m
    17.5 m
    27.2 m
    40.0 m
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