[单选题]
A hoop of radius 0.50 mrc-,tti1 gf by0e-gv* and a xd fu ;58x 6fqvi5g .m(jbfjsh+zsa;* mass of 0.20 kg is released from rest and allowed to roll down an inclined plane. How fast is it moving after dropping a vertical dista5f5q+gdm ;x8i6 sab z*j (uhvff;xs j.nce of 3.0 m?
Post time 2024-1-22 02:51:16