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Chat Area => General Discussion Area => Topic started by: Banjax on 03 September 2009, 15:54:22

Title: Fascinating Facts
Post by: Banjax on 03 September 2009, 15:54:22

 did you know that the Moon's circumference is just over ¹/₄ of the Earths circumference!

personally i thought it was much smaller  :y

Title: Re: Fascinating Facts
Post by: Auto Addict on 03 September 2009, 15:56:02

Quote

did you know that the Moon's circumference is just over ¹/₄ of the Earths circumference!

personally i thought it was much smaller  :y

terribly sorry old boy, I am a little tired..... ;)

Title: Re: Fascinating Facts
Post by: Lizzie_Zoom on 03 September 2009, 15:58:22

Quote

did you know that the Moon's circumference is just over ¹/₄ of the Earths circumference!

personally i thought it was much smaller  :y

All depends how much you have had to drink, or how near it is to the horizon!! :D :D ;)

Title: Re: Fascinating Facts
Post by: Dishevelled Den on 03 September 2009, 15:59:41

Size isn't everything bj  ::) ::) ;)

Title: Re: Fascinating Facts
Post by: LJay on 03 September 2009, 16:05:27

Did you require a sensible response Banjaxx???? ;D ;D ;D

Title: Re: Fascinating Facts
Post by: Nickbat on 03 September 2009, 16:46:46

Only 11 percent of the earth's surface is used to grow food. :o

Title: Re: Fascinating Facts
Post by: Debs. on 03 September 2009, 16:49:02

Quote

did you know that the Moon's circumference is just over ¹/₄ of the Earths circumference!

personally i thought it was much smaller  :y

 :o A Euclidean visual anomaly explained simply as: "Pi in the sky!" ;D



BTW: Did you know that the symbol for Pi was first proposed by a Welshman?.......(William Jones: 1706);)

Title: Re: Fascinating Facts
Post by: Selseybill on 03 September 2009, 16:51:52

Depends how far you stand back ;)

Title: Re: Fascinating Facts
Post by: Pitchfork on 03 September 2009, 18:36:26

Quote

Quote

did you know that the Moon's circumference is just over ¹/₄ of the Earths circumference!

personally i thought it was much smaller  :y

 :o A Euclidean visual anomaly explained simply as: "Pi in the sky!" ;D



BTW: Did you know that the symbol for Pi was first proposed by a Welshman?.......[size=7](William Jones: 1706)[/size];)

Had he recently visited Stonehenge?? ;)

Title: Re: Fascinating Facts
Post by: cem_devecioglu on 03 September 2009, 18:41:57

Quote

Quote

did you know that the Moon's circumference is just over ¹/₄ of the Earths circumference!

personally i thought it was much smaller  :y

 :o A Euclidean visual anomaly explained simply as: "Pi in the sky!" ;D



BTW: Did you know that the symbol for Pi was first proposed by a Welshman?.......(William Jones: 1706);)

good to learn that.. just to calculate actual pi I need to implement a code >:( >:( ;D

Title: Re: Fascinating Facts
Post by: Banjax on 03 September 2009, 18:49:31

thanks cem  :y

Title: Re: Fascinating Facts
Post by: Banjax on 03 September 2009, 18:54:41

imagine a length of rope wrapped around the earths circumference and pulled tight OK?

so that rope is 40000km long (approx)

now imagine you wanted that rope to be 1 foot above ground all the way round - how much longer would the rope have to be?


guess away - you won't believe the answer (unless you're cem and you calculate it)  :y

Title: Re: Fascinating Facts
Post by: STMO999 on 03 September 2009, 18:57:19

Quote

imagine a length of rope wrapped around the earths circumference and pulled tight OK?

so that rope is 40000km long (approx)

now imagine you wanted that rope to be 1 foot above ground all the way round - how long would the rope have to be?


guess away - you won't believe the answer (unless you're cem and you calculate it)  :y

I heard this at shool, it's something rediculous like 1".

EDIT: Maybe a yard, but small anyhow.

Title: Re: Fascinating Facts
Post by: Banjax on 03 September 2009, 19:03:29

Quote

Quote

imagine a length of rope wrapped around the earths circumference and pulled tight OK?

so that rope is 40000km long (approx)

now imagine you wanted that rope to be 1 foot above ground all the way round - how long would the rope have to be?


guess away - you won't believe the answer (unless you're cem and you calculate it)  :y

I heard this at shool, it's something rediculous like 1".

EDIT: Maybe a yard, but small anyhow.

not bad stmo, the answer (and i just worked it out) is you only need to add 6'3" to the length of the rope to give you 1 foot of clearance around the planet - isn't that freaky?  :-? :-?

Title: Re: Fascinating Facts
Post by: Banjax on 03 September 2009, 19:04:35

you want me to show you my workings STMO?  ;D

Title: Re: Fascinating Facts
Post by: STMO999 on 03 September 2009, 19:05:29

Quote

you want me to show you my workings STMO?  ;D

Ermmmmmmmmm.................No.

Thanks all the same. :y

Title: Re: Fascinating Facts
Post by: cem_devecioglu on 03 September 2009, 19:06:52

Quote

imagine a length of rope wrapped around the earths circumference and pulled tight OK?

so that rope is 40000km long (approx)

now imagine you wanted that rope to be 1 foot above ground all the way round - how much longer would the rope have to be?


guess away - you won't believe the answer (unless you're cem and you calculate it)  :y

 ;D thanks :y :y

Title: Re: Fascinating Facts
Post by: Banjax on 03 September 2009, 19:14:04

pay attention at the back

(C)ircumference=40000km=2xPIxR(adius)
R=C/2PI
R=40000/2PI=6366.197724km

now, add 1' (0.0003048km) to radius

gives you 6366.198029km
giving a circumference of 40000.00192km
take away 40000km, you're left with 0.00192km or 1.92m or 6'3"  8-)

i love stuff like that  :)

Title: Re: Fascinating Facts
Post by: Banjax on 03 September 2009, 19:17:29

Quote

Quote

you want me to show you my workings STMO?  ;D

Ermmmmmmmmm.................No.

Thanks all the same. :y

i could've phrased that better perhaps  :-[ ;D

Title: Re: Fascinating Facts
Post by: Debs. on 03 September 2009, 19:22:12

Quote

pay attention at the back

(C)ircumference=40000km=2xPIxR(adius)
R=C/2PI
R=40000/2PI=6366.197724km

now, add 1' (0.0003048km) to radius

gives you 6366.198029km
giving a circumference of 40000.00192km
take away 40000km, you're left with 0.00192km or 1.92m or 6'3"  8-)

i love stuff like that  :)

[blonde]Oooh lovely...... :-*


......what is it about?[/blonde] :-/

Title: Re: Fascinating Facts
Post by: Banjax on 03 September 2009, 19:25:21

Quote

Quote

pay attention at the back

(C)ircumference=40000km=2xPIxR(adius)
R=C/2PI
R=40000/2PI=6366.197724km

now, add 1' (0.0003048km) to radius

gives you 6366.198029km
giving a circumference of 40000.00192km
take away 40000km, you're left with 0.00192km or 1.92m or 6'3"  8-)

i love stuff like that  :)

[blonde]Oooh lovely...... :-*


......what is it about?[/blonde] :-/

 ;D ;D

primary school maths debs (at least it was in my day)  :y

Title: Re: Fascinating Facts
Post by: Ghost on 03 September 2009, 20:20:27

you learn something new everyday :-/