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9-13.
  1. Multiple Choice: Assume that the acceleration due to gravity in the absence of friction is a(t) = −10 meters/sec2. If a ball is thrown straight up from a height of 5 meters with an initial velocity of 20 m/sec, then its height after 2 seconds is: Homework Help ✎

    1. 5 m

    2. 10 m

    3. 15 m

    4. 10 m

    5. 25 m

Evaluate h(2).