[填空题]
A bicyclist coasts down a.+ 6k9vpy boop 7,onjnq 3x b18)04d ; pbi,.xj bfgujjv.0 $^{\circ} $ hill at a steady speed of 5m/s Assuming a total mass of 75 kg (bicycle plus rider), what must be the cyclist’s power output to climb the same hill at the same speed? W
