What did early experiments and Coulomb’s Law describe? Select all that apply. The further away two charged objects are the stron
1 answer:
Answer:
The closer two charged objects are the stronger the electrical force between them.
Like charges repel and opposite charges attract.
The further away two charged objects are the weaker the electrical force between them.
Explanation:
Coulomb's law tells us about the electric force/electrostatic force/Coulomb force between two charged particles. The force (F) between the particles Q and q, separated by a distance r is given as,
where k = Coulomb constant.
It is evident from the equation that closer the charged particle force will be more. As the distance between the charge increases the force will be weaker. Also the like charges will repel and opposite charges will attract.
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Answer:
Amount of linear movement
Explanation:
Our system is defined by the rate of change in mass that
leaves the car , this happens during a time interval
, in addition to freight car and sand at time t.
In this way we need to define the two states:
State 1,
consider and V.
State 2,
consider
In this state is the mass of sand output, which
is composed of
In this way we define the Linear movement in x, like this:
In this way we proceed to obtain the Force
Since the mass of the second term becomes 0, the same term is eliminated, thus,