I need help with question 1 below and question number 47 please? 1- what are the strength and direction of an electric field that will balance the weight (a) a proton and (b) an electron?

lines tric field? of the 46. I Large electric fields in cell membranes cause ions to BIO move through the cell wall, as we will explore in Chapter 23. hill or The field strength in a typical membrane is 1.0 X 10' N/C. d. What is the magnitude of the force on a calcium ion with charge te? 47. Ill Molecules of carbon mon- +3.4 X 10 21 C -3.4 X 10 2 C INT oxide are permanent electric dipoles due to unequal shar