The drawing shows three objects rotating about a vertical axis. The mass of each object is given in terms of m0, and its perpend
icular distance from the axis is specified in terms of r0. Rank the three objects according to their moments of inertia, largest to smallest.
1 answer:
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Answer:
The charge on the dust particle is
Explanation:
From the question we are told that
The length is
The width is
The charge is
The mass suspended in mid-air is
Generally the electric field on the carpet is mathematically represented as
Where is the permittivity of free space with value
substituting values
Generally the electric force keeping the dust particle on the air equal to the force of gravity acting on the particles
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