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Search: Posts Made By: rudderrudderrat
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Forum: Tech Log
9th Jul 2010, 10:36
Replies: 120
Views: 33,318
Posted By rudderrudderrat

Hi Wiz, Because we've all spent a lifetime...

Hi Wiz,

Because we've all spent a lifetime experiencing what 1g feels like, measuring weights using spring balances, predicting the flight of tennis, squash, foot balls etc. - we reckon we can...
Forum: Tech Log
9th Jul 2010, 09:56
Replies: 120
Views: 33,318
Posted By rudderrudderrat

Hi Wiz, Yes I have considered these. ...

Hi Wiz,

Yes I have considered these.

Unless the elevator lift shaft was infinitely long - I'd realise I was standing on the roof shortly after we hit planet earth and stopped. I've been...
Forum: Tech Log
9th Jul 2010, 09:13
Replies: 120
Views: 33,318
Posted By rudderrudderrat

Hi wizofoz, I've enjoyed following your...

Hi wizofoz,

I've enjoyed following your discussions over the last few days.
True - but Newtonian physics is a good approximation to GR and is much simpler to handle mathematically. GR can...
Forum: Tech Log
28th Jun 2010, 15:41
Replies: 120
Views: 33,318
Posted By rudderrudderrat

Say the differential pressure inside the hull of...

Say the differential pressure inside the hull of my aircraft is 8 p.s.i. The net force on a passenger door with an area of 1,000 square inches is 8,000 lbs.

Are you sure you can't have a force...
Forum: Tech Log
28th Jun 2010, 11:48
Replies: 120
Views: 33,318
Posted By rudderrudderrat

Hi Wizofoz, Would you agree it's...

Hi Wizofoz,



Would you agree it's because the earth and moon orbit one another about their common c of g? Since that point is not at the centre of the earth (must be somewhere say about 1/10?...
Forum: Tech Log
28th Jun 2010, 10:51
Replies: 120
Views: 33,318
Posted By rudderrudderrat

Hi PBL Then please explain the tides.

Hi PBL



Then please explain the tides.
Showing results 1 to 6 of 6


 
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