Easy question due tonight can the sum of two vectors be longer than the total length of both vectors? explain

also

can the sum of two vectors be shorter than either vector? explain

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

Ais not a compound machine. a. bolt b. shovel c. handcart (dolly) d. see-saw (teeter totter)

J. j. thomson’s experiment disproved the theory that an atom