A diver comes off a board with arms straight up and legs straight down, giving her a moment of inertia about her rotation axis of 18 kg⋅m2kg⋅m2. She then tucks into a small ball, decreasing this moment of inertia to 3. 6 kg⋅m2kg⋅m2. While tucked, she makes two complete revolutions in 1. 3 ss.

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

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.

Of the population of the united states is obese. a. 10% b. 25% c. 33% d. 50% select the best answer from the choices provided. a b c d