What kind of tide does the observer experience when he is between tidal bulges?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?

Which change would make the diagram correct?