I think your answer is weight and im taking this right now and think i got it right!!
Answer:
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Explanation:
did the studyisland :)
Speed: Distance per time, 400 km/h, and a scalar quantity.
Velocity: Displacement per time, 20 m/s south, and a vector quantity.
Hope this helps! Please mark as brainliest.
Thanks!
1 is correct
2 is -150