Aperson weighing 565 n gets on an elevator. the elevator lifts the person 4 meters in 8 seconds. how much power was used?

282.5 Watts

Explanation:

Power=(force×distance)/time

Power=(565×4)/8

Power=2260/8

Power=282.5watts

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.