Physics, 18.04.2021 17:20, MoneyMike42

If the position vector of the particle is given by r = 3t²^i+5+tj^+4k^ Find: (a). The velocity of the particle at t= 3 s

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If the position vector of the particle is given by r = 3t²^i+5+tj^+4k^ Find: (a). The velocity of t...