Enquanto se expande, um gás recebe o calor Q = 100J e realiza o trabalho W = 70J. Ao final do
processo, podemos afirmar que a energia interna do
gás
a) aumentou 170 J. b) aumentou 100 J.
c) aumentou 30 J. d) diminuiu 70 J.
e) diminuiu 30 J.

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25? , b) el tiempo que el balón permanece en el aire.

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

For which pair of objects would adding the same a