Question

two vectors A and B have equal magnitude of 12 units t h e s e vector are making angle 30 degree and 120 degree with the x-axis respectively theirsum r is or are bar then X and Y component of r are​

Answer 1

Answer:

Adding or removing protons from the nucleus changes the charge of the nucleus and changes that atom's atomic number. So, adding or removing protons from the nucleus changes what element that atom is! For example, adding a proton to the nucleus of an atom of hydrogen creates an atom of helium.