This has nothing to do with studying or anything but...

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zenithexe: Senior | Next Rank: 100 Posts; Posts: 49; Joined: Tue Jun 16, 2009 8:20 pm; Thanked: 5 times

by zenithexe » Sat Jul 18, 2009 10:15 pm

well, it's summer, and I have my water frozen in a plastic bottle. I leave a bit of space so that I can pour some water in to make water cold so that I can enjoy cold water.

Just other day I randomly thought that shanking the bottle would make the water get cold quicker than just pouring it in and wait.

So, I did, it got cold fast, really fast. I thought it got cold way too quick.

Can anyone explain this? I mean is there an reason other than that water get good exposure (shaking causing circulation) to ice which allowing it to cool fast?

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Source: Beat The GMAT — Lounge | Sat Jul 18, 2009 10:15 pm

Neo2000: Legendary Member; Posts: 519; Joined: Sat Jan 27, 2007 7:56 am; Location: India; Thanked: 31 times

by Neo2000 » Thu Aug 20, 2009 10:06 am

By shaking it, you generated energy that caused the ice to melt. Miniscule amount maybe, but enough to cool down your water a lot more than you thought it would

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asherman: Senior | Next Rank: 100 Posts; Posts: 36; Joined: Fri Jan 22, 2010 3:44 pm; Location: Los Angeles, CA

by asherman » Sat Jan 23, 2010 1:24 pm

simple concept of erosion my friend. For example, in santa monica, the beach just eroded tons after our storm - with wind, rain and waves, it sped up what would have happened over years in just a few days...

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money9111: Legendary Member; Posts: 2109; Joined: Sun Apr 19, 2009 10:25 pmFollowed by: 79 members; Location: New Jersey; Thanked: 109 times; GMAT Score:640

by money9111 » Tue Jan 26, 2010 10:32 pm

also depending on how hard you shook it.. you could have cracked the larger ice exposing more surface area, allowing the cold water to then erode the newly exposed surface...

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