A yoyo is spun in a horizontal circle around a child’s head because they have no idea how to actually use a yoyo. The yoyo revolves around the child’s head 2 times in 8 seconds. The yoyo has a string which is 1.5 m long. What is the period of revolution of the yoyo around the child’s head?
How fast is the yoyo moving as it revolves?
What centripetal acceleration will the yoyo experience as it revolves?

A-of 75 cm by cm by 17.5 cm up. of is 2 kg a , in ,if it is in , kg/?

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

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic