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physics

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A bullet fired vertically upwards from a gun held 2m above the ground reaches its maximum height in 4sec, calculate its initial velocity and the total distance the bullet travels by the time it hits the ground

  • physics - ,

    At the pinnacle, Vv=0
    Vv=Viv+ gt
    0=ViV-9.8*4 solve for initial velocity.

    total distance?
    H(4)=H(o)+Viv*4-9.8(4^2) solve for H(4)

    total distance: 2*H(4)+2

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