[填空题]
The coefficient of ki9s)gdl3focm t:lc 3c b0g4b1 inetic friction fy 6h fylav;fl,f v,5j0or a $ 22-\mathrm{kg}$ bobsled on a track is 0.10 . What force is required to push it down a $6.0^{\circ}$ incline and achieve a speed of 60 $\mathrm{~km} / \mathrm{h}$ at the end of 75 m ?
