Explore BrainMass
Share

Explore BrainMass

    Fourth Dimension

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    What is meant by the fourth dimension?

    © BrainMass Inc. brainmass.com October 9, 2019, 7:03 pm ad1c9bdddf
    https://brainmass.com/physics/cosmology/fourth-dimension-106508

    Solution Preview

    When we look at our world, we describe objects as three dimensional.

    We can see that an object has certain length, width and height.
    The same for a coordinate system. We can describe any point in space with three numbers (the simplest is the x,y and z coordinates).

    However things in the world are not static. Objects move from one place to another, materials can change phase (water to ice for example).

    Hence when we describe a physical process, it is not enough to describe its three dimensional aspect, but also the *time ...

    $2.19