Calculate the electric field at the center of a square 49.7cm on a side if one corner is occupied by a –36.7µC charge and the other three are occupied by –22.8µC charges.

in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.

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