physics

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tiger woods hits tees off with an initial velocity of 80m/s at an angle of 23 degrees what will be the max height of his golf ball?how far will the golf ball travel

  • physics -

    Vi = 80 sin 23
    v = Vi - 9.8 t = 80 sin 23 - 9.8 t
    at top, v = 0
    9.8 t = 80 sin 23
    solve for t at top
    now
    h = Vi t - 4.9 t^2solve for h or alternatively
    average speed up = Vi/2
    h = (Vi/2)t
    total time in air = 2 t
    horizontal speed is constant = 80 cos23
    so horizontal distance = 2t* 80 cos 23

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