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Physics rule
(slrpnk.net)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
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.
Only if you divide by time. Including units is an essential sanity check.
Also, the rest of the math needs to be correct.
Well that’s my point. The answer is correct in this specific case, because it’s already “built-in” so to speak.
No, their answer is wrong.
I’m talking about my previous response. I already said their answer is wrong.