If a hawk is slowly soaring at a height of about 150 meters and spots a vole on the ground, folds its wings and begins its dive, it will simply accelerate downward with the gravitational acceleration, 10 m/s2. With what speed will it be going when it gets to the ground in m/s? (of course, it has to turn a bit above the ground in order not to crash. We will ignore this part of its flight path. ).

Nathan is an ecologist. he’s studying the effect of secondary consumers on primary consumers. his current research focuses on a population of blue jays and crows. they eat caterpillars and mice. if the number of blue jays increases, what are the likely effects on other populations? 1the number of crows will increase. 2the number of mice will decrease. 3the number of mice will remain the same. 4the number of caterpillars will decrease.