Question

29. A particle A having a charge of 20*10*C is held fixed
on a horizontal table. A second charged particle of mass
80 g stays in equilibrium on the table at a distance of
10 cm from the first charge. The coefficient of friction
between the table and this second particle is 02.
Find the range within which the charge of this second
particle may lie.
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Answer 1

Answer:

Atmosphere is the thin layer of air that surrounds the earth. It is made up of various gases such as oxygen, nitrogen, carbon dioxides, dust particles and water vapour. The gravitational force of the earth holds the atmosphere around it.