A straight queue of ants marches towards the ant hill in the direction perpendicular to a unit vector

vec(v)

. Suddenly, an ant departs from the queue and moves away with velocity

vec(w)

. Which of the following quantities calculates the speed at which the distance between the stray ant and the ant queue is changing?\

||vec(v)+vec(w)||\ |vec(v)*vec(w)|

\ None of the given quantities.\

||vec(v)-vec(w)||

A straight queue of ants marches towards the ant hill in the direction perpendicular to a unit vector v. Suddenly, an ant departs from the queue and moves away with velocity w. Which of the following quantities calculates the speed at which the distance between the stray ant and the ant queue is changing? v+wvw None of the given quantities. vw