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Velocity and acceleration at maximum height

Discussion in 'MCAT Study Question Q&A' started by redbird1133, Sep 4, 2014.

  1. redbird1133

    2+ Year Member

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    I was wondering if someone could please help clarify this!

    So for an object that is projected straight up, at its maximum height it has zero velocity, but still has acceleration due to gravity right?
    And for an object projected with horizontal and vertical components, at its maximum height, it has zero vertical velocity, some horizontal velocity, and acceleration in the vertical direction and possibly in the horizontal?

    thank you!
     
  2. justadream

    7+ Year Member

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    @redbird1133

    You are right on the first point.

    As for the second, you have zero vertical velocity at the max height, the SAME horizontal velocity throughout the entire flight time (assuming no air resistance). Thus, you ONLY have acceleration in the vertical direction (10 m/s^2). No horizontal acceleration.
     
    #2 justadream, Sep 5, 2014
    Last edited: Sep 5, 2014
    type12, DrDreams and Cawolf like this.

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