[填空题]
In a physics lab, a cu 5 uq,w0o dh/iq4:g35umzecqv be. keu6 io4l*pgwp)q(c slides down a frictionless incline as shown in Fig. 7–35, and elastically strikes another cube at the bottom 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:qge.(lpki6 c4w u p*o) Both leave the incline moving horizontally.]$\Delta x_{m}$$\approx$ m $\Delta x_{M}$$\approx$ m
