Homework problem Definition and 405 Threads

I have a HW problem for non-calculus based physics that I can't seem to figure out. Please help me if you can: Consider a sphere of radius R woth a uniform positive charge distribution (rho)=q/V. Using Gauss's law, prove (a) that the magnitude of the electric field outside the spherical...

What charge is required to suspend a 1.7*10^-13kg oil drop in an electric field of 2.5*10^5 N/C?

linky Kc = .090 a). Calculate the concn. of all species at equilibrium if 1.00g of water and 4.78g of ClO are mixed in a 1.0L flask. b). Calculate the concn. of all species at equilibrium if 1.0 mol of pure HOCl is placed in a 2.0L flask. Hint: consider what is now the reactant...

Here it is. For some reason, it disturbs me a bit. Emphasis mine. Ugh. I don't feel so good putting a monetary value on the existence of life as we know it...

Hi, I'm new to this forum, I'm taking honors Physics this year and I'm not sure of what I'm doing in this homework problem... "Joe pushes on the handle of a 10 kg lawn spreader. The handle makes a 45 degree angle with the horizontal. Joe wishes to accelerate the spreader from rest to 1.39...