In physics , we are concerned about the surroundings And in chemistry, we concerned about the system. Whereas In chemistry , work done by the system is negative because the system loses some amount of energy to do work ! ... If system is doing work on surrounding, U will decrease if W is taken positive – and vice versa
The difference is only due to the different sign convention in Physics and Chemistry. In Chemistry, work done on the system is positive and in Physics, work done by the system. ... W is negative means system did work and W is positive means system has work done on it.
charming ki jai ho x.
a geosynchronous satellite is a satellite in geosynchronous orbit, with an orbital period the same as the earth's rotation period. such a satellite returns to the same position in the sky after each sidereal day, and over the course of a day traces out a path in the sky that is typically some form of analemma.