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Physics(Please help)

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A football is kicked with a speed of 18 m/s at an angle of 65° to the horizontal.

How long is the football in the air? Neglect air resistance


Would I use the equation
y=y0 + voy t -1/2gt^2 ?

  • Physics(Please help) -

    that is correct. All you care about is the height.

  • Physics(Please help) -

    Yes, with voy = 18 sin65 = 16.31 m/s

    Set y = yo and solve for t

    gt/2 = voy
    t = 2*voy/g

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