For an airplane flying in a vertical plane, the angle of attack is $3^{\circ},$ the horizontal and vertical components of velocity in wind axis are $300 \mathrm{~km} / \mathrm{h}$ and $15.72 \mathrm{~km} / \mathrm{h}$, respectively. The pitch attitude of the airplane is_________ degrees (round off to 2 decimal places).

For an airplane flying in a vertical plane, the angle of attack is $3^{\circ},$ the horizontal and vertical components of velocity in wind axis are $300 \mathrm{~km} / \mathrm{h}$ and $15.72 \mathrm{~km} / \mathrm{h}$, respectively. The pitch attitude of the airplane is_________ degrees (round off to 2 decimal places).

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