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#1
02-04-2007, 10:43 PM
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to physics nerds: false advertising in falling LEXUS ad?!
 So LEXUS had this ad where they dropped a new IS350 from 4,000 feet, and at the same instant, another IS350 punched it from a standstill, 4,000 feet away from where the falling IS350 would land. The claim? That an IS350 could cover 4,000 feet across the ground faster than one could fall from the sky. So it's been probably seven or so years since I've done elementary newtonian physics lol but it seems to me that this is an outrageous claim: I calculate that the IS350 would take only 15.78 seconds to fall from 4,000 feet: 15.78 seconds would be a respectable 1/4-mile time, there is NO WAY it could travel 4,000 feet. I just used: PE = KE mgh = 1/2mv^2 2gh = v^2 g = 9.81 m/s^2 h = 4,000 feet = 1219 m v = 155 m/s then, (vf - vi) / t = 9.8 m/s^2 --> t = 15.81 s What's LEXUS trying to pull?!
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MARC/CROSVS | UCLA Bruin, B.A. Econ, Aug 2004 | J.D., Thomas Jefferson School of Law, May 2008 -- MEMBER: California State Bar, December 4, 2008 2005 BMW 645 Cabrio | Black Sapphire Metallic, Ti trim | 6AT | fully loaded sans HUD 2000 Ford Mustang V6 | laser red on tan | 5-spd | track-prepped 
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#2
02-04-2007, 10:59 PM
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I agree with your math if im doing it right. Its been about `10 years since ive taken physics so im not positive though. But im sure its bullshit just like every other ad
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Dinan M3 2006 X5 4.4i Sport Current Vehicle 2006 CLS 55 AMG Current Vehicle 2010 FORD F-450 King Ranch Current Vehicle 2012 GL 550 Current Vehicle 1999 M3 Dinan S3 SOLD 2001 M3 Dinan S2 SOLD 2002 M5 SOLD 2004 X5 4.4i sport SOLD 2007 335 XI Lease ended 2009 E92 M3 SOLD
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#3
02-04-2007, 11:01 PM
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what?? so the twins actually do NOT exist?? WTF are you smoking???!
 Quote:
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#4
02-04-2007, 11:19 PM
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Lexus makes horrible ads. This is just another example.
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#7
02-04-2007, 11:36 PM
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Quote:
And I think the worst Lexus ad is where its on a runway and every time it shifts you see the gear number on the pavement 1 thru 8. It is a retarted comercial
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Dinan M3 2006 X5 4.4i Sport Current Vehicle 2006 CLS 55 AMG Current Vehicle 2010 FORD F-450 King Ranch Current Vehicle 2012 GL 550 Current Vehicle 1999 M3 Dinan S3 SOLD 2001 M3 Dinan S2 SOLD 2002 M5 SOLD 2004 X5 4.4i sport SOLD 2007 335 XI Lease ended 2009 E92 M3 SOLD
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#9
02-04-2007, 11:54 PM
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Quote:
Quote:
BMW used to make good ads before they switched agencies. I vaguely remember an ad where a guy walks into a BMW dealership, and starts daydreaming about the fun he'd have driving as the ad focuses on the 325i accelerating and driving on twisty roads. Ah, nothing pricks my ears like the sound of an inline 6. 
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#10
02-05-2007, 01:15 AM
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What you are missing from your analysis is the drag coefficient and that fact that the car would reach terminal velocity rather than continue accelerating at 9.81 m/s2. I have no idea what the drag coefficient is of a car falling wheels first but I'm guessing the terminal velocity is <75m/s. So while it is possible it isn't all that impressive.
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Wake up every day that would be a start.
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