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Physics (Kinematics)

posted by on .

A ball is thrown 83.3 m upward and then falls
back to earth.Neglecting air resistance, how long will it
be in the air? The acceleration of gravity is
9.8 m/s2 .
Answer in units of s

  • Physics (Kinematics) - ,

    hf=hi+vi*t-4.9 t^2

    hf, hi =0
    solve for t.

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