(c) Does the ball float or sink? (d) If the b A ball of a mass of 4 kg, of density 4000 kg/m3 is completely immersed in water of density 1000 kg/m^3. Find the force of buoyancy? (g=10 m/s^2) A solid ball w...
Why does raising the temperature cause a liquid to boil? Why does decreasing the temperature of a liquid make it freeze? Why do liquids evaporate at different rates? Why does ice float in liquid water? Why does increasing the temperature of a solid make it melt?
We made a quick supermarket stop for beer and Red Bull. It will not eat your baby, but it might eat your liver. (Speaking of dingos and babies, was there ever a worse dialect coach in Hollywood history?) No one yet has been able to explain the purpose of this substance to me. And...
They brought along with them their national genius, to which they principally owe what liberty they enjoy, and what substance they possess. Here he sees the industry of his native country displayed in a new manner, and traces in their works the embryos of all the arts, sciences, and ...
The scientists of the Penn University said that the new process includes mixing human excreta with microbes which will eventually turn it into edible substance. Do astronauts poop in space? The first American in space went up in damp underwear. Fortunately, there's a toilet on the space station...
more you drink. On the other hand, multiple studies have shown moderate alcohol consumption may lower your odds of heart trouble. More research suggests your risk for stroke, diabetes, and mortality may all rise slightly when you give up booze—assuming you were a light drinker before you ...
What can you conclude about a melting and freezing point of a pure substance? Why does water act as an excellent cooling agent in cars? Why does an iron nail float on mercury and sink in water? What is distillation and why is tap water a conductor of electricity and distilled wat...
Does Charles's law apply to all gases? To what temperature would an ideal gas in which the "particles" are baseballs have to be heated so their arms How do gas laws make blimps float? What would happen if a chemical reaction released energy? When energy in the atom is released, what ...