A student walks east 100 meters in 2 minutes. She then walks north 200 meters in 4 minutes. Which statement is true?(1 point) Responses Her velocity changes because her speed varies. Her velocity changes because her speed varies. Her velocity is constant because her speed is constant. Her velocity is constant because her speed is constant. Her velocity changes because her direction changes. Her velocity changes because her direction changes. Her velocity is constant because her direction is constant.

3 answers

Her velocity changes because her direction changes.
Hector went to the music store by heading due south at 3 m/s, then turning West and continuing at the same speed for another three blocks. Which of the following is true about Hector's velocity?(1 point) Responses Hector's velocity changed because his speed changed. Hector's velocity changed because his speed changed. Hector's velocity did not change because his speed did not change. Hector's velocity did not change because his speed did not change. Hector's velocity did not change because his direction did not change. Hector's velocity did not change because his direction did not change. Hector's velocity changed because his direction changed. Hector's velocity changed because his direction changed.
Hector's velocity changed because his direction changed.