Please help I will send pics in return or I will mark brainliest (depending on what u want) for a good attempt and explanation.

The answer would have to be 8.47 m/s/s because the backwards pull + the rate of speed it is going would have to be added to get the answer to compensate for the backwards pull

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.

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.