In a certain region of space, a uniform electric field is in the x direction. A particle with negative charge is carried from x=20.0 cm to x=60.0cm.
The particle moved to a position where the electric potential is
(a) higher than before
(b) unchanged
(c) lower than before
(d) unpredictable
The correct option is Option c)
Where is the electric potential, when the particle moved?
The particle moved to a position where the electric potential is lower than before because the potential decreases in the direction of the electric field.
Electric potential energy is the energy that is required when we have to move a charge against the applied electric field. We need more energy to move a charge further in the electric field, but also more energy to move it through a stronger electric field.
To learn more about electric potential, refer to:
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Answer:
<em>7.45 10^5N.</em>
Explanation:
according to newtons second law of motion;
Fapp is the applied force
Fr is the resistive force
m is the mass of the luxury
a is the acceleration
Since the huge luxury liner move with constant velocity, then acceleration is zero i.e a = 0. The equation becomes;
This shows that the applied force will be equal to the resistive force if the velocity is constant.
Given Fr = 7.45 10^5 N therefore the resistive force will also be 7.45 10^5N.
<em>Hence the magnitude of the resistive force exerted by the water on the cruise ship is 7.45 10^5N.</em>
Answer:
Explanation:
pressure decreases with increasing altitude. The pressure at any level in the atmosphere may be interpreted as the total weight of the air above a unit area at any elevation. At higher elevations, there are fewer air molecules above a given surface than a similar surface at lower levels.
It doesn't have one single uniform temperature. It's all different, depending on the location and depth you're interested in