An alpha particle(the nucleus of a helium atom) has a mass of 6.64*10^-27kg and a charge of +2e. what are the magnitude and direction of the electric field that will balance the gravitational force on it? mp= 1.67*10^-27kg

Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis

Most short-period comets do not have randomly oriented orbits because

Decreased sensitivity to an unchanging stimulus is known as