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Homework Help: Finding instantaneous velocity

  1. Oct 3, 2011 #1
    A velocity time graph starts from 0-5 s , object A has constant velocity of 4 m/s. Object B has an initial velocity of 8 m/s and constantly decreases and reaches 0 m/s at 5 s. so i need to know what is the instantaneous velocity. Also, which of the object's instantaneous velocity is greater. sorry if this is confusing.
  2. jcsd
  3. Oct 3, 2011 #2
    Instantaneous velocity occurs at some specific time. What time are you being asked about?
  4. Oct 3, 2011 #3
    it asks at time 5 which instantaneous velocity is greater
  5. Oct 3, 2011 #4


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    Staff Emeritus
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    Welcome to Physics Forums.

    Okay, then what is the velocity of A at 5 s?
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