calc question?

he height, h, in meters of a dropped object after t seconds, can be represented by h (t)=-4.9t^2+346.   What is the instantaneous velocity of the object one second after it is dropped?

 

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  • TomV
    Lv 7
    1 month ago

    Instantaneous velocity at time t is given by dh(t)/dt

    h = -4.9t² + 346

    dh/dt = -9.8t

    dh(1)/dt = -9.8 m/s

    (negative sign indicates movement is in the negative h direction)

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