Power, as human beings exercise power, to me means the ability to change: the ability to change oneself, the ability to change one's community. And the positive use of power is transformation of self and community toward a higher ideal, toward a healed world.
But for us to assume that God could not act in other ways is, I think, to put God in an awfully small box.
See the encounters of Jesus life as windows into possibilities for yours. Accept the invitation to go or strive to go through the narrow door. Choose between life and fear, for the unengaged life is truly not worth living, and has no possibility of salvation or abundance.
I think Easter is most profoundly about meaning, not mechanism.