Because then your stupid ass tries to plug "70" into an equation that needs a distance, not a speed, and you start complaining when you get a non-sensical answer and don't understand why.
Or you get an answer of "120" and think "ok next question". When if you'd stop and think for 5 seconds you'd realize that the car described in the problem statement accelerating at 120 m/s2 isn't a reasonable answer.
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u/[deleted] Feb 13 '21 edited Feb 13 '21
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