My mistake, I didn’t check his math. I thought he was saying if you take distance apart at t(n) and subtract distance apart at t(n-1) you will get distance/sec.

[–] SpaceNoodle 1 points 3 months ago (1 children)

Only if you divide by time. Including units is an essential sanity check.

Also, the rest of the math needs to be correct.

[–] [email protected] 1 points 3 months ago (1 children)

Well that’s my point. The answer is correct in this specific case, because it’s already “built-in” so to speak.

[–] SpaceNoodle 1 points 3 months ago (1 children)

No, their answer is wrong.

[–] [email protected] 1 points 3 months ago

I’m talking about my previous response. I already said their answer is wrong.