如图,B是线段AD上一动点,沿A到D到A以2cm/s的速度往返运动1次,C是线段BD的中点,AD=10cm,设点B运动时间为t秒(0≤t≤10)(1)当t=2时,①AB=()cm②求线段CD的长度.(2)用含t的代数式表示运动过程
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 22:48:37
![如图,B是线段AD上一动点,沿A到D到A以2cm/s的速度往返运动1次,C是线段BD的中点,AD=10cm,设点B运动时间为t秒(0≤t≤10)(1)当t=2时,①AB=()cm②求线段CD的长度.(2)用含t的代数式表示运动过程](/uploads/image/z/1689646-22-6.jpg?t=%E5%A6%82%E5%9B%BE%2CB%E6%98%AF%E7%BA%BF%E6%AE%B5AD%E4%B8%8A%E4%B8%80%E5%8A%A8%E7%82%B9%2C%E6%B2%BFA%E5%88%B0D%E5%88%B0A%E4%BB%A52cm%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E5%BE%80%E8%BF%94%E8%BF%90%E5%8A%A81%E6%AC%A1%2CC%E6%98%AF%E7%BA%BF%E6%AE%B5BD%E7%9A%84%E4%B8%AD%E7%82%B9%2CAD%3D10cm%2C%E8%AE%BE%E7%82%B9B%E8%BF%90%E5%8A%A8%E6%97%B6%E9%97%B4%E4%B8%BAt%E7%A7%92%EF%BC%880%E2%89%A4t%E2%89%A410%EF%BC%89%EF%BC%881%EF%BC%89%E5%BD%93t%3D2%E6%97%B6%2C%E2%91%A0AB%3D%EF%BC%88%EF%BC%89cm%E2%91%A1%E6%B1%82%E7%BA%BF%E6%AE%B5CD%E7%9A%84%E9%95%BF%E5%BA%A6.%EF%BC%882%EF%BC%89%E7%94%A8%E5%90%ABt%E7%9A%84%E4%BB%A3%E6%95%B0%E5%BC%8F%E8%A1%A8%E7%A4%BA%E8%BF%90%E5%8A%A8%E8%BF%87%E7%A8%8B)
xT]OP+ML]Y5&$n!vՠ
@|,QgOmwsnl80Q.ks{>y'>5N5gV[ѹjؕEbbɝ;[*e
<]ۓiwUڦ>5-UZyΧ"`4Qva"I;jbڗڙ]N=\5N}c/j5 ʎ)l"yRtNftvP{tKp%4Y1s^VV--şw#7U}c츭ҵ[SR)~Bv*)N߱8ŀGbv:M,Qn-lwC^Y_vnDvqiᆵQnp<j^GѩbDX"O%2>_Yw$\c:=B0<
tCX0`;#ܿXOfFXT2Gװ"nY#7zNpak;|&LZsb-Zq<*&XiY"աHfI4pf ѱD2>̌JeO2H5$?~IcQ9r}`hhJ
uO^SHsکoG{h~[]Sd" jxݮ-3A>Ⱥ#ʯ5tb
1"PwknlEK )I3nz|