Considera dos imanes, en uno de ellos los polos se marcan con O y R y en el otro con P y Q. Se observa que el polo O repele al polo P, el polo O atrae al polo Q, el polo Q repele al polo R. Además, el polo R es el polo Norte del imán OR. Explica si el polo P es norte o sur.

Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesn’t slow down or speed up, what is his speed?

Why don't you see your reflection in water with waves or repples

Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)