Strange... Strange... Math Problem. (Kinda interesting)

[Overdriven]

"If you hit me at 40MPH there's a 80% chance I'll die"
"If you hit me at 30MPH there's a 80% chance I'll live"


How's this worked out then? - How do you calculate the chance of living or dieing from those variables?

average weight of a car is: 3596 lbs (256.857143 stone)
average weight of a human is: 154 lbs (11 stone)


What would it be?

Mass x Speed / Mass of Human?
Mass / Speed / Mass of Human?

 

[Alundril]

cos it's an advert.

 

[Gamah]

Take he average numbers of deaths per accident at each speed?

800 people / 1000 die when being hit at 40
200 people / 1000 die when being hit at 30.


Easy!

 

[Jeriraa]

If you really wanna go by maths and physics its a bit more difficult than that.

Its a semi-elastic impact, i.e. you would bounce off the car but the car wouldnt bounce of you. There is a formula to calculate the kinetic energy transfered by semi-eleastic impacts. (I cant remember it rightnow thou. Just got up and cba to find my physics book.)
Knowing the transfered energy you'll be able to calculate the acceleration of the body. A human body can take about 15g acceleration max without breaking bones. (Thats highly theoretical thou because the severity of the accident ofc depends on where you get hit too.)

But to make it a bit simpler: kinetical Energy = ( mass * velocity² ) / 2
That means if you double the velocity of the car its kinetic energy will be 4 times bigger. In your example the increase of kinetic energy is aprox. factor 1.8.

Edited for spelling mistakes.

 

[allure]

Take he average numbers of deaths per accident at each speed?

800 people / 1000 die when being hit at 40
200 people / 1000 die when being hit at 30.


Easy!

gamah got somthing right? AAAAAAAAAAAAAHHHHHHHHHhh

 

[Hawkwind]

Its not based on a physics calculation its statistical analysis of data collected from hundreds of incidents. Unfortunately these usually involve children. Police always calculate speed of the motorist from length of tyre skid marks left. So its simply motality rate against calculated speed.

You know what they say about statistics. There are lies, damn lies and ststistics (W. Churchil) :worthy:

EDIT: Or simply what gamah put

 

[Aile]

tis all about averages, there no way of telling what damage can be caused internally or externally by getting run over at either speed

 

[Dukat]

Perhaps they tested it?


on second thoughts, what gamah said

 

[Lamp]

Alternatively, apply the probabilities to a dynamic model utilising stochastic volatility jump-diffusion with Malliavin quadruple hypergeometric functions of Extonia matrix arguments bounded in Non-Parametric Sobolev spaces derived from triple-integrated Poisson manifolds and coisotropic submanifolds using log normal jump amplitudes.

Alternatively just go down the pub and forget about it

 

[[SS]Gamblor]

Police always calculate speed of the motorist from length of tyre skid marks left. So its simply motality rate against calculated speed.

Mess up the stats and don't break !!!!!! \o/

 

[Karl]

Alternatively, apply the probabilities to a dynamic model utilising stochastic volatility jump-diffusion with Malliavin quadruple hypergeometric functions of Extonia matrix arguments bounded in Non-Parametric Sobolev spaces derived from triple-integrated Poisson manifolds and coisotropic submanifolds using log normal jump amplitudes.

You forgot to carry the value of the ionisation of the quark particles that were running the RNG, now there is a variable!!

 

[Lamp]

You forgot to carry the value of the ionisation of the quark particles that were running the RNG, now there is a variable!!

dammit !

back to the drawing board

 

[Ezteq]

dude watch the advert!

she came back from the dead, I'm pretty sure if she can do that then she can solve a simple bit of maths, sheesh!

and dont argue with her or she'll eat your brains and stuff.

 

[Amanita]

90% of statistics are made up on the spot.

 

[Dukat]

90% of statistics are made up on the spot.

butbutbut thats a statistic?! so theres a 9 out of 10 chance that its made up! but if its made up then maybe not 90% of statistics are made up so maybe its not made up after all ? ? ?<mind boggles>

 

[[SS]Gamblor]

90% of statistics are made up on the spot.

yeha true , 74% of all peeps know that :touch:

 

[Hansmoleman]

yeha true , 74% of all peeps know that :touch:

i have strong evidence that proves that 84% of people think your statistic is a lie.

 

[tris-]

99% of people think the other 1% of people are right

or something

 

[Rediknight]

Acutally, whilst the subjects in the ring - anyone seen the latest run of Cornflakes ad's?

Apparently, eating cornflakes in the morning will make your kid 20% more alert!!!



On what scale is alertness measured?? Add to that, how did they test it?? Get ten kids, feed nine of them cornflakes then 15 minutes later let them all wander into the road and drive a car at them. 9 got out the way, but the predicted they only did it because they were more alert?? They then offered the same ten kids a hot soldering iron, wrong end first... all but one refused to take it - guess which little starved chump that was? You guessed it...

Sorry, i just can't get my head around this whole scale of alertness thing - is there a scale of Apathy too? :|

 

[tris-]

its all bollocks really. i thought trading standards would of been on their arsses by now. its false and misleading to say your kid will be exactly 20% more alert after eating they they were before. kellogs got stung for some other crap they pulled before with cornflakes.

scientifically, below is the only reason i can give that would mean a kid is more alert -

their brain wave patterns before eating are still of that pattern that make you drowsey and fall asleep. as soon as they concentrate on something their brain wave pattern changes. to a pattern where you are more alert and able to think about things. they are obviously having to concentrate on eating etc. and the food MAY then increase the metabolism making them more lively. if thats the case, you can say the same thing about every type of food.

ofc, i dont know as ive never conducted an experiment in it. what i said above is a simple summary about what ive learnt on brain wave patterns and how they effect you.

 

[Rediknight]

So if i ate a Chicken Biriani for breakfast (+two pop's, peshwari naan, two onion bhajees, one meat samosa and a partridge in a pear tree.. i mean and a portion of Sag Aloo) I'd be just as alert as if i'd only eaten a bowl of gruel?

 

[tris-]

i would be temped to say you might be less alert if you ate that much. as you know, sometimes a lot of food makes you tired.

 

[Overdriven]

I worked out something!

The car got hit by meteor so it didn't actually run the people over, what you see if a meteor-shaped car! and the person was actually a lampost

 

[Ezteq]

also i mean i guess it depends on the type of car

hit by a robin reliant at 30 mph (*snort* can they get that fast?) yer livin!... infact you could prolly get hit by a reliant at 193mph and you'd be ok, the car would be a right off and the wheel at the front would probably fall off but there we go, less ugleness in zee world.

get hit by a humvee and your jam no matter what speed your going at (just ask arnold schwarzeneggers puppy dawg).

and if you'd been pouring cornflakes in to the hummer before you set off the world better fasten its safety helmet cos no one can stop you!!

 

[Darksword]

Its not based on a physics calculation its statistical analysis of data collected from hundreds of incidents. Unfortunately these usually involve children. Police always calculate speed of the motorist from length of tyre skid marks left. So its simply motality rate against calculated speed.

You know what they say about statistics. There are lies, damn lies and ststistics (W. Churchil) :worthy:

EDIT: Or simply what gamah put

apparantly they use impact dummys and do lots of tests. this is what alot of companys do to improve safety in there vehicles, so im guessing this is what they do here aswell.

 

[lilmissnaughty]

its all bollocks really. i thought trading standards would of been on their arsses by now. its false and misleading to say your kid will be exactly 20% more alert after eating they they were before. kellogs got stung for some other crap they pulled before with cornflakes

prolly cos the lil shit put a truck full of sugar on their cornflakes explains why they turn into hyperactive nutjobs.

plus that kid in the advert freaks me out.
why would u run over terminator kids anyway (it just pops back together n gets up) i dread to think of the damage to that poor sods car.

 

[Amanita]

I dislike that advert for the very reasons they want me to

Nearly two years ago I smashed up my ankle and I still remember and get kind of flashbacks of the bone snapping and how much it flipping hurt so when things like that get shown on TV I go "Argh!" and cover my eyes and ears ^^

 

[old.Tohtori]

its all bollocks really. i thought trading standards would of been on their arsses by now. its false and misleading to say your kid will be exactly 20% more alert after eating they they were before. kellogs got stung for some other crap they pulled before with cornflakes.

scientifically, below is the only reason i can give that would mean a kid is more alert -

their brain wave patterns before eating are still of that pattern that make you drowsey and fall asleep. as soon as they concentrate on something their brain wave pattern changes. to a pattern where you are more alert and able to think about things. they are obviously having to concentrate on eating etc. and the food MAY then increase the metabolism making them more lively. if thats the case, you can say the same thing about every type of food.

ofc, i dont know as ive never conducted an experiment in it. what i said above is a simple summary about what ive learnt on brain wave patterns and how they effect you.

And unsaturated(sp) sugars tend to make, especially young peeps, hyper(ish). So eating cornies for breakfast WILL effect you. Not in a healthy way, but...

 

[Hansmoleman]

I dislike that advert for the very reasons they want me to

Nearly two years ago I smashed up my ankle and I still remember and get kind of flashbacks of the bone snapping and how much it flipping hurt so when things like that get shown on TV I go "Argh!" and cover my eyes and ears ^^

*car screech noise followed by authenticly sounded crash*

 

[confused]

All about energy conservation ...

Ke = 1/2 mv^2

higher speeds massively change the kinetic energy of the car