Achild and a sled with a combined mass of 50.0kg slide down a frictionless slope. if the sled starts

Achild and a sled with a combined mass of 50.0kg slide down a frictionless slope. if the sled starts from rest and has a speed of 3.00ms-1 at the bottom, what is the height of the hill?

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  1. 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.

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