08. Uma pessoa deitada, tendo os olhos junto ao solo, observa um poste de baixo até em cima sob um ângulo visual de 60°.
Afastando-se 2,0 m do poste, esta passa a vê-lo sob ângulo de
45°. Podemos afirmar que a altura do poste vale:

Which changes of state do the labels represent? a: b: c:

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm

Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.