Hai điện tích q1 = – 5 C và q2 = –12 C được đặt tại hai điểm A và
B trong không khí cách nhau 10 cm. Vẽ
vector cường độ điện trường tổng hợp
tại điểm C và tính góc hợp bởi vector
này với cạnh CB. Biết CA = 6 cm,
CB = 8 cm

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?