physics

a ball roles off a horizontal table at 0.30 m/s and strikes the ground 0.15m horizontally from the base of the table. (a) how high is the table (b) if another ball roles off the same table at 0.60 m/s how far from the base of the table does it hit.

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  1. H=0.5 GT^2+Vyt
    Vx=d/t
    g=9.81m/sec
    a.
    Vx=0.3 d=0.15
    0.3=0.15/t
    t=2secs
    H=0.5(9.81)(2)^2+0
    H=19.62m
    b.
    0.6=d/2
    d=1.2m

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