2. If Amya goes for å run around her neighborhood and travels 2 km northwest from her house, what is
the best term to use to describe her motion?
a. Distance
b. Displacement
c. Velocity
d. Speed

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.

grav force prop 1/r squared 2r all squared is 4rsquared 1/4rsquared quartered

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