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What are the initial position vector →ri and final position vector →rf, both in unit-vector notation? What is the x component of displacement Δ→r? (i) Position vector →ri (x) 5^i−3^j−1^k (ii) Postion vector →rf (y) −2^i−4^j+1^k (iii) x-component of displacement Δ→r (z) 7^i+1^j−2^k |
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Answer» What are the initial position vector →ri and final position vector →rf, both in unit-vector notation? What is the x component of displacement Δ→r?
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