Physics

A dart gun is located 1 meter above the floor and is fired horizontally. the dart travels a horizontal distance of 4 meters when it hits the floor. what is the initial velocity if the dart when fired?

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  1. L=v(x)•t => t=L/v(x)
    h=gt²/2 = gL²/2v(x)²
    v(x)= sqrt (gL²/2h)

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