A net force accelerates a 60 kilogram cart at a rate of 0.5 m/s². What is the magnitude of the force?

13

Explanation:

34

i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.