I need some help with Q2 - Q4 please

Q2. At what position does a book have more gravitational PE relative to the ground, at a vertical height of 1 m or 2 m? Explain why in terms of transferring PE to KE: Q3. Imagine a ball with a huge amount of positive charge +0, sending out its E and V messages: HO Figure 2: Image for Q3. On the above figure, insert an arrow indicating the direction of the electric field E at position A? Q4. For each of the following, is WAL, positive, negative, or zero? F W. is Postive or Negative W.L., is Positive or Negative