Plis urgent Încălzind un gaz cu 190 K la presiune constantă, volumul lui s-a mărit de 1,5 ori. Determinați temperatura inițială a gazului.

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?