Answer:
Potential Energy is the energy that is waiting to be released like at the top of the roller coaster, Kinetic energy is the energy that is moving the rollercoaster downhill fast.
Three Laws:
The rollercoaster will rest at the top, and then the gears will make it move downhill, and make it stop.
The gears make the rollercoaster move, and in reaction, it pushes back on the gears.
Is An object completely submerged in a fluid displaces its own volume of fluid ". This is: D
The current is defined as the quantity of charge Q that passes through a certain location in a time

:

Using the data of the problem, we find:
Mass will remain unchanged, always. His weight, which is the gravitational force acting on that mass will be less in this case.
Answer:
The correct option is (b).
Explanation:
Given that,
Electric field, 
We need to find the magnitude of the force on the electron as a result of the electric field.
We know that, the electric force is given by :

So, the required force on the electron is equal to
.