Answer:
It is impossible...
Explanation:
Under no circumstances this is possible because of the Newton’s 1st law of motion that states that a body shall continue its motion forever except the net fore is zero. When two opposing forces contract each other, they cancel out the action of each other and ultimately the net force become zero. If one body has a slightly more or less force then the net force will not be zero and the net magnitude of force will have a direction of motion.
Answer:
Weight is just how heavy something is. Mass is the quantity of inertia possessed by an object. Another way of explaining mass is how much matter is in an object or how much "stuff" is in an object. Another important difference is that weight is a force and mass is not.
Explanation:
Answer:
Explanation:
We define the linear density of charge as:

Where L is the rod's length, in this case the semicircle's length L = πr
The potential created at the center by an differential element of charge is:

where k is the coulomb's constant
r is the distance from dq to center of the circle
Thus.

Potential at the center of the semicircle
Answer:
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