Answer:
One coulomb (C) of charge represents an excess or deficit of 6.24 x 1018 electrons
Explanation:
The main difference between mechanical and electromagnetic waves is that mechanical waves require a medium in order to propagate, while electromagnetic waves can propagate also in vacuum.
Examples of telecommunication via mechanical waves are sound waves (so, two people speaking to each other, for instance), while examples of telecommunication via electromagnetic waves are the radio waves that transmit the TV signals to the houses.
Answer:
The green car traveled a shorter distance, but the displacement of the cars was equal.
Explanation:
1) temperature
2) pressure
3) concentration
4) surface area
5) the presence of a catalyst
False. The sun from earth looks yellow, orange, or sometimes red, but it is really a big white ball of fire.