Aconducting sphere of radius 20.0 cm carries an excess charge of +15.0 µc, and no other charges are present. (k = 1/4π ε0 = 8.99 × 109 n · m2/c2) the potential (relative to infinity) due to this sphere at a point 12.0 cm from its center is closest to a conducting sphere of radius 20.0 cm carries an excess charge of +15.0 µc, and no other charges are present. ( = 1/4π = 8.99 × 109 n · m2/c2) the potential (relative to infinity) due to this sphere at a point 12.0 cm from its center is closest to 674 kv. 1130 kv. 3380 kv. zero. 9380 kv.

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

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Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)