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physics

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a car starts from rest and has a constant acceleration of 2.5 m/s^2. if it travels 25m how long will it take to complete the motion

  • physics -

    4rm eqns of motion
    s=ut + 1/2at^2
    since u =0
    s=1/2at^2
    25=0.5*2.5 *t^2
    t^2=25/1.25
    t^2=20secs^2
    t=4.5secs

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