Aspherical cavity is excised from the inside of the sphere. the cavity has radius a4 and is centered at position h⃗ , where |h⃗ |< 34a, so that the entire cavity is contained within the larger sphere. find the electric field inside the cavity. express your answer as a vector in terms of any or all of ρ (greek letter rho), ϵ0, r⃗ , and h⃗ .

Sasha has just gotten a new job in a nearby city. after comparison shopping, she found that renting a nice two-bedroom apartment would cost around $800 per month. her utilities would cost about $150 per month. sasha has enough money saved for a down payment, and she found that she can buy a three-bedroom house or condo with a mortgage payment of $1,000 per month, including taxes and homeowner's insurance. her utilities would cost about $200 per month. what is the advantage of buying the house over renting the apartment?