Question

质量为m是小木块A以水平速度V0冲上质量为M足够长的木板B,木板B置于光滑水平面上,

Answer 1

mV0=(m+M)V V=mV0/(m+M) W=1/2mV0^2-1/2(m+M)V^2 =1/2mV0^2-1/2m^2V0/(m+M)