Terangkan mengapa cecair logam mempunyai suhu akhir yang tinggi daripada air

An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?

What happens when you slowly pulled the carboard?