5 The cart in the figure is moving toward the right with a speed increasing at 3m/s2. By what angle does the accelerometer deflect?

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.

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

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the maxium height is 34m/s