A student walks east 100 meters in 2 minutes. She then walks north 200 meters in 4 minutes. Which statement is true? (1 point)

Question

A. Her velocity changes because her direction changes.

B. Her velocity changes because her speed varies.

C. Her velocity is constant because her direction is constant.

D. Her velocity is constant because her speed is constant.

Answer 1

The correct answer is A. Her velocity changes because her direction changes. Velocity is a vector quantity that takes into account both the speed and direction of motion. In this scenario, the student changes direction from east to north, indicating a change in velocity.