Asked by zion
                a diver jumps off a cliff with an intial velocity of 5.0 m/s. the diver strikes the water 3.0s later. what is the vertical speed of the diver upon reaching the surface of the water?
            
            
        Answers
                    Answered by
            bobpursley
            
    wondering which direction did he jump? Vertically up, vertically down, or horizontal?
    
                    Answered by
            Damon
            
    initial velocity up or down or horizontal ? (Note - Velocity vector has direction; speed does not. Speed needs speedometer. Velocity needs speedometer and compass.) I define v up and Vi is initial v up. Hi is height of cliff and h is height of diver above water, zero at splashdown.
v = Vi - g t
h = Hi +Vi t - 4.9 t^2
    
v = Vi - g t
h = Hi +Vi t - 4.9 t^2
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