two vectors of different magnitude pointing in the same direction are to undergo vector addition. MATHEMATICALLY, what must you do to get the resultant? add, subtract , multiply , divide , or use the pythagorean theorem?

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.