two particles each having a mass of 5gm and charge of 10^-7 in limiting equilibrium on a horizontal table .with a seaparatin of 10 cm between them . the coefficient of friction between eaxh partile and the table is thw same . find the value of coefficient
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Given Mass m=5gCharge q=10 CDistance d= 10cmThe electric force on one of the particles due to the other is
F= 1/4π∈*q²/d²
The frictional force in limiting equilibrium
f=umg
As these two forces balance each other,
umg=1/4π∈*q²/d²
u=1/4π∈*q²/mgd²
Using the above formula and substituting the values you can find out coefficient of limiting friction.
bhakti2621:
ty sooo much
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