In one hand you hold a 0.11-kg apple, in the other hand a 0.24-kg orange. the apple and orange are seperated by 0.85 m. What is the magnitude of the force of gravity that a) the orange exerts on the apple and b) the apple exerts on the orange?

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=