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## Homework Statement

A particle traveling in a straight line is located at the point (1, -1, 2) and has speed 2 at time t = 0. The particle moves toward the point (3, 0, 3) with constant acceleration 2

**i**+

**j**+

**k**. Find its position vector

**r**(t) at time t.

## Homework Equations

Speed = |

**v**|

## The Attempt at a Solution

v(t) = 2t

**i**+ t

**j**+ t

**k**+

**c**

_{1}I don't know how to find

**c**from here.

_{1}Thanks in advance!

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