500k vBux Challenge - NextGenUpdate

01-19-2011, 01:50 AM #1

elfmotat

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(adsbygoogle = window.adsbygoogle || []).push({}); I will be giving 500,000 vBux to the first person to answer correctly.

The Problem

Originally posted by another user

There exists a spherical planet about the size of the Earth with a uniform density of 5000 kg/m³. A hole (negligible mass removed) is drilled through the diameter of the planet so that objects can be dropped and freely fall. A bowling ball is lowered into the hole to a height of 1,000,000 m above the center of the planet where it is released from rest. How far away is the ball from where it was released after 3 hours? (Assume the planet is completely at rest.)

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01-19-2011, 05:40 AM #20

italianboss

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Originally posted by elfmotat

I haven't gotten any pm's Eek

.

i just sent it to you

01-19-2011, 06:43 AM #21

+tA. Rick

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Originally posted by elfmotat

I haven't gotten any pm's Eek

.

Originally posted by italianboss

i just sent it to you

I believe you sent it to me by accident. :carling:

The following user thanked +tA. Rick for this useful post:

elfmotat

01-19-2011, 07:14 AM #22

-NoSoul4Evr-

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a-4 + (h2o) = 19-s2 ? Happy

01-19-2011, 02:07 PM #23

NeedaLifeSoon

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Originally posted by elfmotat

I haven't gotten any pm's Eek

.

I'll give you 500 K to stop making me feel stupid!!!

How about 18,000M above sea level, because of the lava spout.

Or it doesn't move at all?

01-19-2011, 07:57 PM #24

NeedaPVHAXSoon

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I suck at my maths

01-19-2011, 08:07 PM #25

Mr Nice

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MY POOR HEAD ! , Im gonna get this , KOF KOF Honest LOL

01-19-2011, 08:13 PM #26

elfmotat

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I wonder if this looks familiar to anyone...

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01-20-2011, 01:02 AM #27

elfmotat

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Alright, well this doesn't really seem to be garnishing the enthusiasm I hoped it would... so I may just post the solution.

Respond if you object to me doing to before next Tuesday.

01-20-2011, 06:41 AM #28

elfmotat

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Solution is now posted.