A book of mass m1=1.8 kg is stacked on another book of mass m2=2.3kg, which rests of a frictionless - download a 4shared. A book of mass m1=1.8 kg is stacked on another book of mass m2=2.3kg, which rests of a frictionless è ospitata presso il servizio di condivisione gratuita di file 4shared.