åœ¨æœ€å¤§é«˜åº¦æ—¶æ€»é€Ÿåº¦ä¸ºåž‚ç›´é€Ÿåº¦: \( v = v_y = 0 \, ext{m/s} \) ï¼ˆå› ä¸º \( v_y = 0 \))

Tue, 05 May 2026 11:47:16 +0000

Content under review