Can people survive in the car with A/C for several days. Without even opennig a glass.

Absolutely not, even on a moderate temperature day. I live is sunny AZ where the temperatures hit 115+. A child or pet can die in a matter of minutes, and DO, because of the stupidity of people.

With air conditioning? Well, it all depends on the temperature outside, the amount of sun falling on the car, the power of the AC unit, and how much gas is in the tank. Oh, and how much water they have. People can only go a couple of days without water, and even that is very hard.

As long as the temperature can stay in a moderate range, then there's no reason to think that they wouldn't be able to survive. And, if your AC will keep your car comfortable while driving down the highway in 115 degree weather, there's no reason that it can't do the same while the car is idling.

Hi Nuwan, I don't mean to be grumpy or anything, but in future could you think of a better topic than "physics"? :p like "A/C survival" or something?

Thenkyou :x