Dois corpos, eletricamente isolado, apresentam, no início, quantidades de cargas iguais a Q1=12C e Q2=-2C

Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Which expression gives you the distance between the points (5,1)and(9,-6)