[填空题]
In a physics lab, a cube slides down a frictionless inclis/ua.i b5e ,sp3hwul:ne as shown in8j njmt:),wz bwk9ez 5 Fig. 7–35, and elastically strikes another cube at the botk, j5zwe m9n8) zwb:tjtom that is only one-half its mass. If the incline is 30 cm high and the table is 90 cm off the floor, where does each cube land? [Hint: Both leave the incline moving horizontally.]$\Delta x_{m}$$\approx$ m $\Delta x_{M}$$\approx$ m
