What part of the water is affected by a wave in deep water

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.

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s