What is the magnitude of electric field at apoint 2 meter from a point charge q= 4nc​

Abird sitting high in a tree is an example of what type of wnergy

An airplane flies eastward and always accelerates at a constant rate. at one position along its path it has a velocity of 34.3 m/s, it then flies a further distance of 40100 m and afterwards its velocity is 47.5 m/s. find the airplane\'s acceleration and calculate how much time elapses while the airplane covers those 40100 m.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?