Track_Shovel@slrpnk.net to 196@lemmy.blahaj.zoneEnglish · 3 months agoPhysics ruleslrpnk.netimagemessage-square43fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1imagePhysics ruleslrpnk.netTrack_Shovel@slrpnk.net to 196@lemmy.blahaj.zoneEnglish · 3 months agomessage-square43fedilink
minus-squareji17br@lemmy.mllinkfedilinkarrow-up0·3 months agoMy 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.
minus-squareSpaceNoodle@lemmy.worldlinkfedilinkarrow-up0·3 months agoOnly if you divide by time. Including units is an essential sanity check. Also, the rest of the math needs to be correct.
minus-squareji17br@lemmy.mllinkfedilinkarrow-up0·3 months agoWell that’s my point. The answer is correct in this specific case, because it’s already “built-in” so to speak.
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.