[" 28.The masses of the blocks "A" and "B3N" d.Zero "],[" Between "A" and "B" there is a constant frictional force "F" ,"],[" and "B" can slide frictionless a constant frictional force "F" ,"],[" horizontal surface.A is set in "],[" motion what is the distance "],[" at rest.What is the distance "],[" they move with the distance "],[" they move with the same "],[" velocity? "],[" a."(mMv_(0)^(2))/(F(m-M))quad " b."(mMv_(0)^(2))/(2F(m-M))],[" c."(mMv_(0)^(2))/(F(m+M))quad " d."(mMv_(0)^(2))/(2F(m+M))]