Select the correct answer Object A attracts object B with a gravitatlonal force of 10 newtons from a glven distance. Ifthe distance between the two objects Is doubled,
what Is the new force of attractlon between them?
OA 2.5 newtons
OB.5 newtons
OC. 20 newtons
OD. 100 newtons

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=