Answer:
<em>Velocity is the rate at which the position changes</em>
<em>Velocity is the rate at which the position changesWhy do we need</em>
<em>Velocity is the rate at which the position changesWhy do we needVectors make it convenient to handle quantities going in different directions</em><em>.</em><em>.</em><em> </em>
Explanation:
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A
the unit used for measuring both work and energy is the joule
A committee that is temporarily signed is called a Select Committee
Answer:
1. A substance that can be separated into two or more substances only by a chemical change is a(n) _____.
solution
element
mixture
compound
2.
Which of the following materials is a substance?
air
gasoline
stainless steel
silver
3.
The first figure in a properly written chemical symbol always is _____.
boldfaced
capitalized
italicized
underlined
4.
Which of the following represents a compound?
H
H-3
H2O
O-16
5. What do chemical symbols and formulas represent, respectively?
elements and compounds
atoms and mixtures
compounds and mixtures
elements and ions
Explanation:
Answer:
Approximately assuming that this transmission line is straight and infinitely long.
Explanation:
Lookup the permeability of free space: .
Consider an infinitely-long straight wire in empty space carrying a current of . At a distance of from this wire, the magnitude of the magnetic field from the wire would be:
.
In this question, it is given that . At a distance of from this wire, the magnitude of the magnetic field from this cable would be:
.