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particle of mass m in R3 has position function r(t) =<x(t),y(t),z(t)>. Given that the tangent vector...

particle of mass m in R3 has position function r(t) =<x(t),y(t),z(t)>. Given that the tangent vector r0(t) has a constant length of 5, please prove that at all t values, the force F(t) acting on the particle is orthogonal to the tangent vector

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