Chapter 1: Problem 37
A particle starts at \(A(-2,3)\) and its coordinates change by increments \(\Delta x=5, \Delta y=-6 .\) Find its new position.
Short Answer
Expert verified
The new position is \((3, -3)\).
Step by step solution
01
Identifying Initial Position
The initial position given for the particle is the point \(A(-2, 3)\). This means the particle starts at \(x = -2\) and \(y = 3\).
02
Understanding the Increments
The increments tell us how much to add or subtract from the initial coordinates: \(\Delta x = 5\) and \(\Delta y = -6\). This means we will move 5 units to the right in the \(x\)-direction and 6 units down in the \(y\)-direction.
03
Calculating New x-coordinate
To find the new \(x\)-coordinate, add the increment \(\Delta x\) to the initial \(x\)-coordinate: \(x_{new} = -2 + 5 = 3\).
04
Calculating New y-coordinate
To find the new \(y\)-coordinate, add the increment \(\Delta y\) to the initial \(y\)-coordinate: \(y_{new} = 3 - 6 = -3\).
05
Finding the New Position
The new position of the particle after the increments is \((x_{new}, y_{new}) = (3, -3)\).
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Particle Motion
Particle motion in a coordinate plane refers to how a particle moves from one point to another. Imagine a board game, where your piece hops from square to square; with particle motion, it’s like you're moving your token on a giant grid based on certain rules or changes given by coordinates. In the case of the exercise, the particle is initially at the point \((-2, 3)\). When particles move, we usually do so along two axes -- the horizontal (\(x\)-axis) and the vertical (\(y\)-axis). By using specific coordinate increments, which are changes in position, you can determine the new location of the particle. Here, the \(x\)-coordinate increases by 5 and the \(y\)-coordinate decreases by 6. This method of moving particles over a grid is valuable for visualizing different movements in physics or environmental modeling, making coordinate geometry a crucial skill to understand.
Coordinate Increments
Coordinate increments refer to the units you add or subtract from a point's coordinates to find the new position on a grid. In simpler terms, think of increments like steps you take to move to a new spot.In coordinate geometry, increments are given as \(\Delta x\) and \(\Delta y\):
- \(\Delta x\): Change in the horizontal direction, left or right.
- \(\Delta y\): Change in the vertical direction, up or down.
- New \(x\)-coordinate: \(x_{new} = x + \Delta x = -2 + 5 = 3\)
- New \(y\)-coordinate: \(y_{new} = y + \Delta y = 3 - 6 = -3\)
Two-Dimensional Coordinates
Two-dimensional coordinates are pairs of numbers that define a point's location on a flat plane, like a piece of graph paper. The pair is usually written as \((x, y)\), where:
- \(x\) is the position along the horizontal \(x\)-axis.
- \(y\) is the position along the vertical \(y\)-axis.