Answer to Question #282164 in Physics for Tboss

Question

A car moves round a circular track with a uniform speed of 100km/h. Show in a diagram vectors which represents the velocity at four consecutive points A,B,C,D equally spaced round the track.is (A) the velocity and (B) the speed the same at A,B,C,D

Answer 1

The velocity vectors are represented with the blue arrows.

The velocity is different: although it has the same magnitude (length of the arrow, or vector), it has a different direction. The speed is the same because it only tells us how fast the object moves, it does not have direction.