Question: 3. Let T(t) be a unit vector. Prove that T dT and are orthogonal. (hint: T . T = 1 ) dt Upload your work


3. Let T(t) be a unit vector. Prove that T dT and are orthogonal. (hint: T . T = 1 ) dt Upload your work as a pdf file 4. If a particle moves with a constant dr speed dt = constant ) , the acceleration d27 dr dt2 is orthogonal to the velocity dt
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