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Author 2 Cars travelling at 50mph crash...
oceansoul
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Registered: 19th Jun 06
Location: Sunbury, Surrey
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28th Oct 10 at 19:44   View User's Profile U2U Member Reply With Quote
Head on.

Equivalent to hitting a wall at 100mph?

Yes or no?

Discuss.
Nath
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Registered: 3rd Apr 02
Location: MK
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28th Oct 10 at 19:45   View User's Profile U2U Member Reply With Quote
100 pages
John
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Registered: 30th Jun 03
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28th Oct 10 at 19:46   View User's Profile U2U Member Reply With Quote
1. Is this a troll
2. Did you miss the other thread
3. Have you just watched mythbusters
4. All of the above
oceansoul
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Registered: 19th Jun 06
Location: Sunbury, Surrey
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28th Oct 10 at 19:48   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by John
1. Is this a troll
2. Did you miss the other thread
3. Have you just watched mythbusters
4. All of the above


Not trolling.
There was another thread? I seriously missed that.
I have seen the mythbusters ep before, but i knew all that before.
I was just arguing with my dad about this, and thought id find the opinion of CS.
Nath
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Registered: 3rd Apr 02
Location: MK
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28th Oct 10 at 19:48   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by oceansoul

I was just arguing with my dad about this, and thought id find the opinion of CS.



Brace yourself.
alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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28th Oct 10 at 19:49   View User's Profile U2U Member Reply With Quote
If you've seen the mythbusters thing why are you arguing about it?
oceansoul
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Location: Sunbury, Surrey
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28th Oct 10 at 19:51   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by alan-g-w
If you've seen the mythbusters thing why are you arguing about it?



I knew i was right
Cavey
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Registered: 11th Nov 02
Location: Derby
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28th Oct 10 at 19:52   View User's Profile U2U Member Reply With Quote
mythbusters say no. I trust them
Root
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Registered: 28th Dec 08
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28th Oct 10 at 20:00   View User's Profile U2U Member Reply With Quote
I guess if they are travelling into one another, pretty much a 100 mph crash.

But it's not, there are many other forces that come into play with any crash, too many to work out accurately unless you have lots of equipment to measure the different types of forces etc
Budgie
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Registered: 2nd Dec 09
Location: Basingstoke
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28th Oct 10 at 20:12   View User's Profile U2U Member Reply With Quote
depends on cars imo.

old mini if it got to 50 v hummer h2

i dont think the hummer would notice it was in accident
Cosmo
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Registered: 29th Mar 01
Location: Im the real one!
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28th Oct 10 at 20:14   View User's Profile U2U Member Reply With Quote
What if one of the cars was on a conveyor belt?
Colin
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Registered: 4th Apr 02
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28th Oct 10 at 20:16   View User's Profile U2U Member Reply With Quote
Way too many variables to call it one way or another!!
Colin
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28th Oct 10 at 20:16   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Cosmo
What if one of the cars was on a conveyor belt?


The car would take off.
Matt L
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Registered: 17th Apr 06
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28th Oct 10 at 20:18   View User's Profile U2U Member Reply With Quote
2 exactly the same cars with exactly the same weight then yeah i would of assumed so but 2 different cars then id say no.
Ben G
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Registered: 12th Jan 07
Location: Essex
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28th Oct 10 at 20:18   View User's Profile U2U Member Reply With Quote
what if one had v-tec and one was in reverse?
Cosmo
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Registered: 29th Mar 01
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28th Oct 10 at 20:18   View User's Profile U2U Member Reply With Quote
TBH a stationary wall would exert many different forces to a car travelling 50mph.
John
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Registered: 30th Jun 03
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28th Oct 10 at 20:36   View User's Profile U2U Member Reply With Quote
It's nothing to do with the 2 cars being exactly the same.

You wouldn't have exactly the same result but the principle stands.

I can see mythbusters going back to it with different cars because of that.
Limecat
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Registered: 25th Jun 05
Location: The Internet
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28th Oct 10 at 20:40   View User's Profile U2U Member Reply With Quote
Walls move if you hit them...
Matty SRi
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Registered: 3rd Dec 08
Location: Stockton-on-Tees Drives: Mk3 Golf GTi
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28th Oct 10 at 21:23   View User's Profile U2U Member Reply With Quote
No, a wall wouldnt be moving so it would just be a 50mph crash, but if it was another and both were travelling 50 mph, then yes, it would be 100mph
spikedjack
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Registered: 16th Oct 08
Location: wolverhampton/cannock
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28th Oct 10 at 21:30   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Colin
Way too many variables to call it one way or another!!


however theoretically it would be a 50mph impact....

factoring out crumple zones and shapes etc etc etc
Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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28th Oct 10 at 21:57   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Cosmo
What if one of the cars was on a conveyor belt?



OH NO YOU DIT'N'T
sand-eel
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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
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28th Oct 10 at 22:15   View User's Profile U2U Member Reply With Quote
He dit
CorsAsh
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Registered: 19th Apr 02
Location: Munich
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28th Oct 10 at 22:22   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Limecat
Walls move if you hit them...
Theoretically, in every impact there is moment of stillness as energy is passed from one subject to another.

To elaborate, if a train going at 100mph hits a person standing on the tracks, the person can not physically instantly achieve 100mph, and must accelerate from zero. Therefore, there is a miniscule moment when the train stops as it hits the person. It gets very messy, very quickly after that though
Nath
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Location: MK
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28th Oct 10 at 22:23   View User's Profile U2U Member Reply With Quote
What if one of them was a Cat C?
Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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28th Oct 10 at 22:29   View User's Profile U2U Member Reply With Quote
Nath

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