"Cubic Litres"

Think density. The air in the car would be pushed to the outside of the
curve thus increasing the density. The helium (being of lower density)
would therefore be pushed towards the zone of lower pressure (ie
inwards of the curve).

Maybe.

Phil

 

I rather liked this ... "Insiders described the filming process as
particularly messy from a technical and logistical standpoint."

 

"I was driving round and round the roundabout watching a bubble in the
fishtank on the passenger seat, so I don't know where the lorry came from."

 

Not been as many for a while IME. Still, it's nearly time for the
Hogfather.....

Wouldn't bother.

Nah. NP
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Wrong. A helium balloon inside a car moves forward upon
acceleration, backwards on deceleration, and inwards on turns.

This is because its buoyance against the heavier air always forces
it _opposite_ to the (pseudo-)gravitational field. IOW it will always move
opposite to a weight suspended on a string -- 'coz it's a negative weight
suspended on a string.

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--
Ivan Reid, Electronic & Computer Engineering, ___ CMS Collaboration,
Brunel University. Ivan.Reid@[brunel.ac.uk|cern.ch] Room 40-1-B12, CERN
GSX600F, RG250WD, DT175MX-MIA "You Porsche. Me pass!" DoD #484 JKLO#003, 005
WP7# 3000 LC Unit #2368 (tinlc) UKMC#00009 BOTAFOT#16 UKRMMA#7 (Hon)
KotPT -- "for stupidity above and beyond the call of duty".

 

Ur-myth -- Ur being the German for "original" and often used in
this context. Due to the vagaries of German hyphenation you might see Urin-
sekt -- meaning a very primitive insect, not some dodgy wine!

--
Ivan Reid, Electronic & Computer Engineering, ___ CMS Collaboration,
Brunel University. Ivan.Reid@[brunel.ac.uk|cern.ch] Room 40-1-B12, CERN
GSX600F, RG250WD, DT175MX-MIA "You Porsche. Me pass!" DoD #484 JKLO#003, 005
WP7# 3000 LC Unit #2368 (tinlc) UKMC#00009 BOTAFOT#16 UKRMMA#7 (Hon)
KotPT -- "for stupidity above and beyond the call of duty".

 

A litre (or liter in USA) is a measure of volume. Therefore cubing it is
bollocks. You can only cube a measure of length to make a measure of volume.

HTH

 

Ermm, its 1000 cm^3.
Root cubed of 1000 = 10

Ergo it is 10x10x10 cm

 

Heh, I guess there may be an element of truth in that.

 

I goofed up and referred to myself as a mong this morning.

Unfortunately the real mong-deal was right behind me...

 

Splatter movie...

 

What subject do you teach? I guess it's not English, Maths or Physics.

 

Weightless is not the same as massless. If the ballon is *in* the car then
it will be moving at the same velocity as the car. When the car turns the
inertia of the balloon will mean that it will tend to keep travelling in a
straight line. This will mean that the balloon will tend to move *outside*
the circle described by the centre of the car - in just the same way as
loose objects tend to roll across a car towards the outer side when turning
sharply at speed. If you postulate a *massless* balloon then you are in the
realms of fantasy, not physics.

Tony

 

You've not been following this thread too closely, have you?
Rather than spouting bollocks, get a helium filled balloon and try the
experiment.

 

Wake up. Join the real world.

 

Sniffs bait, swims off...

 

It's the other way, you fool.

 

They're baiting me... Can't you see that???