Find the Thevenin and Norton equivalents of the circuit shown below. Consider R1 = 12 Ω, R2= 24 Ω, R3= 7 Ω, V = 18 V and I= 2,25 A Draw also the Thevenin and Norton equivalent circuits.

What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

Which is a substance that can be separated by physical means and is not the same throughout

Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?