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# Physics problem

This is an interesting problem I found.
It's a beginner physics problem….

A small insulating ball of mass $$m=1.0 mg$$ and charge $$q = 2.0\cdot 10^{-8}C$$ distributed uniformly throughout its volume, hangs from an insulating thread that makes a $$30^{\circ}$$ angle with a vertical, uniformly charged nonconducting sheet. If the ball is in equilibrium, what is the charge density on the vertical sheet?

Note by Sameer L.
3 years, 3 months ago

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2 equal perpndicular forces, if the angle between resultant force and x axis is 45 degree and resultent force =20 n , find a] fx b] fy c] vector product d] scalar product · 1 year, 6 months ago

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