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LordErebus12
2013-04-19, 04:55 AM
could someone calculate how much damage a huge-sized object would deal if it was traveling at 50 mph?

in real life, it would instantly kill a medium sized humanoid. Im just curious if someone could actually attempt to calculate it. Worst case scenario, it could be a death effect-like ability, resulting from a force effect.

:smallamused:

Im creating a horse-like beast that can run at 50 mph, with a barrier of force protecting it from harm. if it strikes an object, how much damage would it deal.

EDIT: I realize a problem. how forces are, if two equal mass objects hit each other then the forces are equal and both objects stop. if one has less mass, that is sent flying by the force, with the other heavier object less slowed. that being said, the force for hitting a wall at 50 ft. and two hitting at equal mass, generates the same force.

maybe something like, for each size smaller than huge, it deals this much damage and knock the target this far back....

Naturally the horse will have trample, but when in full run it gets a barrier of force that shields it from all damage.

TuggyNE
2013-04-19, 05:47 AM
Catgirl slaying time? I am down with that.

Let's assume we have a 1.5 metric ton mass; it could reasonably be a lot more, but let's start there. It's going at 22.3m/s.

Now, if it were falling, it would accelerate at almost full speed, because drag isn't very significant, so we can calculate that it would take around 22.3/9.8 = 2.3s to reach the indicated speed, which is after it's fallen about 25.4m. That's a bit over 80 feet, and the object weighs a bit over 3000lbs, so consulting the 3.5 rules we determine it would deal about 15+8 = 23d6. Average damage, then, is 80.

Fortunately, there's no particular reason to do anything for the save vs death more than tweak the massive damage rules to account for damage scaling. (Even +1 to the DC for every additional 10 points would work, since it comes to a total DC of 18.)

That applies to you too, catgirls! Take that!

LordErebus12
2013-04-19, 06:26 AM
Catgirl slaying time? I am down with that.

Let's assume we have a 1.5 metric ton mass; it could reasonably be a lot more, but let's start there. It's going at 22.3m/s.

Now, if it were falling, it would accelerate at almost full speed, because drag isn't very significant, so we can calculate that it would take around 22.3/9.8 = 2.3s to reach the indicated speed, which is after it's fallen about 25.4m. That's a bit over 80 feet, and the object weighs a bit over 3000lbs, so consulting the 3.5 rules we determine it would deal about 15+8 = 23d6. Average damage, then, is 80.

Fortunately, there's no particular reason to do anything for the save vs death more than tweak the massive damage rules to account for damage scaling. (Even +1 to the DC for every additional 10 points would work, since it comes to a total DC of 18.)

That applies to you too, catgirls! Take that!

im assuming 30 ft. tall and 10k pounds for a huge horse, traveling at 50 mph.

-----------------------------

down with catgirls

TuggyNE
2013-04-19, 06:40 AM
im assuming 30 ft. tall and 10k pounds for a huge horse, traveling at 50 mph.

OK, that means another 35d6. :smallbiggrin:

zabbarot
2013-04-19, 07:14 AM
Until you mentioned the horse I was actually picturing a spell that summoned a car-shaped force construct to run down your enemies, "Bigby's Horseless Carriage"

LordErebus12
2013-04-19, 07:17 AM
Until you mentioned the horse I was actually picturing a spell that summoned a car-shaped force construct to run down your enemies, "Bigby's Horseless Carriage"

Zabbarot's Horseless Carriage is great, lol, but not quite what i wanted.

58d6, wowser.

CombatOwl
2013-04-19, 08:29 AM
could someone calculate how much damage a huge-sized object would deal if it was traveling at 50 mph?

By d&d rules? 1d6 per 10ft traveled per 200 pounds of weight, capped at 20d6. Note; D&D physics is not real physics. The velocity doesn't actually matter in d&d, only the actual distance it has traveled. For example, something moving at 2 mph for 1000 feet will do more damage (100d6, capped at 20d6) than the same object moving at 100 mph for 10 feet (1d6).

Incidentally, this must imply that firearms (and other ranged weapons) are a magical effect in d&d, otherwise their damage would be entirely dependent on the distance between the gun and the target.

Im creating a horse-like beast that can run at 50 mph, with a barrier of force protecting it from harm. if it strikes an object, how much damage would it deal.

THAT is yet different than the other example. Falling (or travelling) damage is different from an overrun. In the case of your horse-like beast, it would deal no damage, but would knock the target prone. Because that would be considered an overrun, which does no damage.

Again, d&d physics is not real physics.