Math Problem Statement

Find the x- and y-components of the vector v⃗ = (5.0 cm/s , −x-direction).

Solution

The vector v=(5.0cm/s,x-direction)\vec{v} = (5.0 \, \text{cm/s}, -x\text{-direction}) is a one-dimensional vector pointing entirely along the negative x-axis. Here's how you can find the x- and y-components:

Given:

  • Magnitude of the velocity: 5.0cm/s5.0 \, \text{cm/s}
  • Direction: x-direction-x\text{-direction}

x-Component:

Since the vector is entirely along the x-axis, the x-component is equal to the magnitude of the vector but negative because it points in the negative x-direction. vx=5.0cm/sv_x = -5.0 \, \text{cm/s}

y-Component:

There is no component along the y-axis, so the y-component is zero. vy=0cm/sv_y = 0 \, \text{cm/s}

Final Result:

  • vx=5.0cm/sv_x = -5.0 \, \text{cm/s}
  • vy=0cm/sv_y = 0 \, \text{cm/s}

Would you like more details or have any questions?

Here are some related questions:

  1. What are the components of a vector in the positive y-direction?
  2. How do you calculate the magnitude of a vector from its components?
  3. What happens if a vector has a negative y-component?
  4. How do you represent a vector in terms of unit vectors i^\hat{i} and j^\hat{j}?
  5. How would you find the components of a vector if it pointed at an angle?

Tip: Always be mindful of the direction of a vector when calculating its components, especially when they involve negative values.

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Math Problem Analysis

Mathematical Concepts

Vector Components
1D Motion
Coordinate Systems

Formulas

v_x = magnitude * cos(θ)
v_y = magnitude * sin(θ)

Theorems

Component Form of Vectors

Suitable Grade Level

Grades 9-12