Anonposionous beetle raises its backside in the air to make a predator thinks its posionous this is an example of what

Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?