A car drives straight down toward the bottom of a valley and up the other side on a road whose bottom has a radius of curvature of 100 m. At the very bottom, the normal force on the driver is twice his weight.

At what speed was the car travelling?

Express you answer to three significant figures and include appropriate units.

What are the theoretical properties of a gas at a temperature of 0 kelvin?

Aphysical change is a change in the size, shape,, or stafe of matter true or false

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