What are the initial position vector →ri and final position vector �

1.	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
Answer» What are the initial position vector ${\to r}_{i}$ and final position vector ${\to r}_{f}$ , both in unit-vector notation? What is the x component of displacement $Δ \to r$ ? (i) Position vector ${\to r}_{i}$ (x) $5^i - 3^j - 1^k$ (ii) Postion vector ${\to r}_{f}$ (y) $- 2^i - 4^j + 1^k$ (iii)x-component of displacement $Δ \to r$ (z) $7^i + 1^j - 2^k$

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

Answer»

What are the initial position vector ${\to r}_{i}$ and final position vector ${\to r}_{f}$ , both in unit-vector notation? What is the x component of displacement $Δ \to r$ ?

(i) Position vector ${\to r}_{i}$ (x) $5^i - 3^j - 1^k$
(ii) Postion vector ${\to r}_{f}$ (y) $- 2^i - 4^j + 1^k$
(iii)x-component of displacement $Δ \to r$ (z) $7^i + 1^j - 2^k$

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