What is position vector ?

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Solution

In polar coordinates, the position vectors is the line segment starting from two origin and ending to the position of the point. Its sirection is directed towards the point position along the line segment.
$\to r$ is the position vectors.

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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)	$7^i + 1^j - 2^k$

If Sameer moves from point $A$ having position vector $3^i + 2^j + 5^k$ to point $B$ having position vector $6^i + 3^j + 7^k$ , what is his displacement vector?

A particle undergoes a displacement $△ \to r = 2.0^i - 3.0^j + 6.0^k$ , ending with the position vector $\to r = 3.0^j - 4.0^k$ , in meters, What was its initial position vector?

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)	$7^i + 1^j - 2^k$

Q. The position vector of

P

4^i + 3^j

and the position vector of

Q

- 2^i + 5^j

. The vector

2 - - \to P Q

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What is position vector ?

In polar coordinates, the position vectors is the line segment starting from two origin and ending to the position of the point. Its sirection is directed towards the point position along the line segment.→r is the position vectors.

In polar coordinates, the position vectors is the line segment starting from two origin and ending to the position of the point. Its sirection is directed towards the point position along the line segment.
$\to r$ is the position vectors.