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Homework Help: Problem about motion -- vertical projectile motion

  1. Sep 22, 2016 #1
    • Member advised to use the homework template for posts in the homework sections of PF.

    With part (c) - initially I thought the upward acceleration would decrease as the tangerine goes past the windows because it is being acted upon by the force of gravity, but then I felt that the upward acceleration is not changing - it is fixed - and so is the downward acceleration due to gravity. But instead, the velocity is being changed.

    Is that correct?

    Thank-you! :)
  2. jcsd
  3. Sep 22, 2016 #2


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    It looks like you are maybe confusing acceleration and velocity. What is the acceleration of an object in free fall? Your initial thought is incorrect. Your second thought is correct.
  4. Sep 22, 2016 #3
    Hi Kuruman
    Yes i realised that just now - silly me! Thank you for the answer.
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