[填空题]
In a physics lab, a cube slides down a frig -syfua:5e*da ;o7 yp5ur4grctionless incline as s, ux)32 zot2meaq)r7 dnzyf v)hown in Fig. 7–35, and elastically strikes another cube at the bottom that is only one-half its mazzade2 nv,r) mto7y u 32)q)fxss. 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
