[填空题]
In a common test for cardiac 0q n.mygd7h5 efunc6 5fb)iod ny v-s9o.rftion (the “stress test”), the patient walks on an inclined treadmill (Fig. 6–46). Estimate the power required from a 75-kg patient when the treadmill is sloping at an angle ovsf.n)r ibf69o- o dy5f 15 $^{\circ} $ and the velocity is 3.3km/h (How does this power compare to the power rating of a light bulb?)$\approx$ W
