[填空题]
During a workout, the fofg;4k 1x2 mytvotball players at State U. ran r2v(n;ohge5kk o4gu 3 up the stadium stairs in 66 s. The stairs are 140 m long and inclined at an angl3 2 kre(vg gn5ohku4;oe of 32 $^{\circ} $. If a typical player has a mass of 95 kg, estimate the average power output on the way up. Ignore friction and air resistance. W
