peejman

  Who's the car for, you or her?  A stick is the only way to go in a small car. 

Not new.  If the people who came up with it first have a patent, I don't see how this isn't a violation.  If they didn't patent it... they deserve the business they'll lose.   As for the legalities of it...   Kinda like speeding.  It's only against the law if you get caught.      http://www.cadizgunworks.com/zcstore/

Took about a month for my wife's.

Look for a Saturn SL series, '98 or newer.  30 mpg city, 37 mpg hwy with a 5 speed.  I put 175k trouble free miles on one.  Wish I still had it.

Being fiscally responsible can be very, very frustrating.  Everyone has people they know who are perpetually in debt, regardless of their income.  I read somewhere that people's spending/saving habits are pretty much set by the time they're 18.  It doesn't matter how much money they make, they'll either save a bit or spend it all and then some.    Buy a box of ammo that should be $15 for the new $30 price on the way home.  You'll feel better.  :)

I'd have had a few more this weekend but I was so tired from working in the yard, I fell asleep. Life's too short to drink cheap beer.

    I sure wouldn't call it dry, but it's been very windy (20+ mph) for the past several days and they're poorly equipped to manage any sort of large fire given the rugged terrain.  It doesn't help that the area is quickly becoming a big subdivision with the rental cabins all over the place.    I hope the rain with take care of it or at least help the fire fighters  get their arms around it. 

I had the same issue when we moved here.  Housing is pricey.  I couldn't find a decent house that would allow my dog for under $1000.  I ended up in a condo for $950 until we could purchase a house.  I'd also look more toward Oak Ridge or Lenoir City. 

Probably just rental vehicles. He's looking in the wrong place. I've seen Airwolf... Look off the nose of the F-86. http://www.tnairmuseum.com/node/11

    Kiwi-strawberry is for sissies.  Real men drink grape!  ;)

Based on this...   http://vimeo.com/48571597   (zip ahead about 7:30 for the super-slo-mo stuff).    It would appear there's two gas clouds.  The first precedes the bullet and shows that gas leaks past the bullet while it's traveling down the barrel.   The seconds exists behind the bullet but expands nearly instantaneously to a certain size, then stops expanding almost as fast.  To me, that implies it has very little mass... very little momentum to continue expanding.  The bullet then appears to punch through the gas that's expanded around it and continue on it's path. 

Good point about the relative mass of the powder.  I'm not a reloader so I just assumed the powder is much lighter than the bullet.  Obviously that's not necessarily true.    I wonder if it would be easier to demonstrate with a shotgun or black powder?  Both have wadding and powder of significant mass that exits the barrel, yet it doesn't hit the target. 

I needed a laugh this morning....   Come to think of it, we did have chicken stir-fry for dinner on tuesday.  No snow though.... 

    I believe it's converted to plasma energy and radiant energy (gamma rays, etc.).     The trick for dealing with the forces involved with unburned powder exiting the barrel is to assume the barrel is long enough that all the powder is burning before the bullet exits...   Either way, my assumption is that the forces generated by unburned powder exiting the barrel are relatively small compared to everything else (as your incorrect calculation illustrates.... ;)  ).

  If the distance is far enough that the drop due to gravity is worth considering, it's probably also worth considering the lift/drag caused by the seams on the ball and how it's rotating.      What I meant by "catch the ball in the center of the chest" was to specifically exclude using the arms as a spring to absorb some of the energy.      oh, and... :taunt:

    I'll quote myself and say this is really an incomplete answer...   Conservation of momentum must also apply here.  The baseball at 98 mph actually has more momentum than the bullet.  Hence the baseball actually hits you harder....   200 grain bullet @ 1500 ft/s = 300,000 units of momentum.    149 gram baseball = 2300 grains.  98 mph = 144 ft/s ... => 331,200 units of momentum.    (ok purists... that's not typical units, but it works for this illustration...  :P )   Assuming you catch both the bullet and the ball in the center of your chest, your body (legs) must exert a larger force against the ground to maintain your balance and not fall over when the baseball hits you compared to the bullet.   Ain't math fun?      ok.  I'll hush now.  :)

  Why does an MLB pitcher not knock the catcher over with a 98 mph fast ball?  Same concept.   A baseball weighs 149 grams and travels at 98 mph.  Kinetic energy  = 0.5 x mass x velocity squared = 1135 ft-lbs.    Muzzle energy from a typical .44 Mag = 1100 ft-lbs.  And Harry Callahan taught us all that a .44 mag sends people flying backwards. 

  My house is the same way.  I'd never shoot that direction unless the kids were already behind me.  Far from ideal, but I have to go to them.

Looks like one of those old amphibious UTV things and someone's put a tank body kit on it.  Looks like fun for duck hunting.

Cool.  Dig that? Check this out...   http://player.vimeo.com/video/39325401

  There's a lot going on in your example.  The magnitude of acceleration and the rate of change of acceleration (called the jerk) are involved.  There's a threshold beyond which a simple acceleration applied to an object becomes an impact.  Impact gets a little deeper and involves conservation of momentum, coefficient of restitution (elastic & plastic collisions), and impulse (a vector quantity).  You've also got to consider the mechanical properties of the block  and hammer (compressive strength, fracture toughness).  It gets busy.  This illustrates why engineering homework problems are so simple, and in turn why real engineering problems (that may seem simple) can be quite complex.   

    No problem.  Us nerdy types are usually happy to (attempt to) explain.  :)   I'm honestly not sure about your shooter vs. target question.  The shooter does absorb the acceleration of the bullet while the target absorbs it's deceleration (which technically doesn't exist... it's actually negative acceleration).  If both have exactly the same mass and effective spring rate (or energy absorption rate) and assuming no losses, conservation of energy would dictate the impact to both would be exactly the same.  Hence, no the target would not be hurt any more than the shooter.  Seems I talked myself into the answer, at least until someone shoots holes in my theory (bada bing! nerd humor  :D ).   Sounds like a great high school science fair project...   It's the penetration, tissue damage, and physiological reactions to being shot that does the work.   The "no losses" part is the trick.  When fired, some of the energy the powder transfers to the bullet is lost as heat generation.  Heat is also generated on impact and the bullet's deformation also absorbs some energy.  I've no idea of the relative magnitudes of these losses.  I'd guess they're pretty small and are likely negligible.  I'm sure there's some physics PhD ballistics guru that knows all this stuff. 

I think it's an excellent idea.  More competition in the market is always a good thing.  Liquor store owners certainly aren't happy about it as they're likely to lose their cheap wine business to the grocery stores.  But liquor stores manage to survive in plenty of other states where wine is sold in grocery stores.

What they said.  The boxing vs. needle analogy is a good one.  It's all about the energy balance.    A 0.308 bullet has about 0.075 sqin of area (consider it a cylinder rather than conical).  The shoulder stock of a rifle has roughly 3 sqin of area.... 40x more than the bullet. 

    Yep, I'd go to war over that.           Berated, embarrassed, and ridiculed by an administrator in front of the whole class?  Classmates allowed to join in the fun?  I can't imagine why a kid would want to bring a gun to school and shoot up the place...