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A long jumper jumps with the initial velocity of 12.0 m/s at an angle of 20 degrees. what is the displacement of x?

the question his how long is she in the air?

Vertical:
hf=ho+Vi*t-4.9t^2, hf=ho=0, Vi=12Sin20 solve for t

Horizontal:
distance=V*t=12Cos20*t

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