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Math Help - Aparticle moves.......

  1. #1
    Junior Member
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    Aparticle moves.......

    A particle moves as at speed of 2.5 m/s in the +x-direction. Upon reaching the origin, the particle receives a continuous constant acceleration of 0.75 m/s2 in the -y-direction. What is the position of the particle 4.0 s later?
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  2. #2
    MHF Contributor
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    So once the particle is at (0,0) it moves for 4 seconds. The x-component has no acceleration so this is just (2.5 m/s) * 4s.

    To find the y-component, use the formula d=v_{0}t+\frac{1}{2}at^2. v_0 is zero in this case though.
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  3. #3
    jbooker
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    Quote Originally Posted by Celia View Post
    A particle moves as at speed of 2.5 m/s in the +x-direction. Upon reaching the origin, the particle receives a continuous constant acceleration of 0.75 m/s2 in the -y-direction. What is the position of the particle 4.0 s later?
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