—How was your day off during the Qingming Festival?
—Pretty good! We ____ (visit) Xu Xiaoxuan's former home.
汽车以v0=16m/s的速度在水平路面上匀速运动,刹车后经2s速度速度变为10m/s,已知汽车在刹车过程中加速度大小不变.求:
已知直线l经过A(6,0)和B(0,12)两点,且与直线y=x交于点C.