A 22 kg child is sledding on a slope with an acceleration of 2.6 m/s^2. What is the pitch of the slope (angle measured in degrees)? (include units and correct number of significant figures) (ignore any friction)

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

Asher cycles 12 miles in 16 hours. what is his speed?

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