[填空题]
A hollow cylinder (hoop)/wulqw kd 0fv7,: lbixj *i6z1h)q qm, is rolling on ax6o2;:r p wg3gw 4mfcs horizontal surface at speed v=3.3 $m/s$ when it reaches a 15 $^{\circ} $ incline. (a) How far up the incline will it go? $\approx$ m (round to one decimal place) (b) How long will it be on the incline before it arrives back at the bottom? s
Post time 2025-2-18 20:00:22
