[填空题]
A hollow cylinder (hoop) is rolling on oo5 otd)+a/lq u20u pra horizontal surface at speed v=3.3i8 klbu*mi0et-e9zzq 4/em0-9zbpv;q gafs ) $m/s$ 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
