Track_Shovel@slrpnk.net to 196@lemmy.blahaj.zoneEnglish · 1 month agoPhysics ruleslrpnk.netimagemessage-square43fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1imagePhysics ruleslrpnk.netTrack_Shovel@slrpnk.net to 196@lemmy.blahaj.zoneEnglish · 1 month agomessage-square43fedilink
minus-squareji17br@lemmy.mllinkfedilinkarrow-up0·1 month 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-up0·1 month 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-up0·1 month 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.