Magnitude
and
dimension
matter and energy
direction
magnitude
dimension
magnitude
Value of X can be chosen randomly when making a table of values representing a real world situation.
They exist in the real world: they are physical things.
The physical world if more real than a spiritual or psychological world.
Some physical values - not all of them - have a magnitude and a direction. Such physical values are known as vectors. As an example, when applying a force, a direction is often relevant. Also, when specifying a speed, a direction may be relevant (you end up in quite different places if you go north vs. east, for example). In physics, a speed, combined with a direction, is called a velocity.
Data acquisition is the process of sampling signals that measure real world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer
Your height is a physical property of your body. As is its mass.
Ideal components do not exist in the real world. They are only simplified descriptions of components used to create models to help understand the behaviour of components in circuitry. Its not possible to use something that doesn't exist.
The Real World - 1992 Lets Get Physical 17-17 was released on: USA: 13 June 2006