Engineering
Consider a light, single-engine, propeller-driven, private airplane, approximately modeled after the Cessna T-41A. The characteristics of the airplane are as follows: wingspan = 35.8 ft, wing area = 174 ft2, normal gross weight = 2950 lb, fuel capacity = 65 gal of aviation gasoline, the parasite drag coefficient CD,0 = 0.025, Oswald efficiency factor = 0.8 and propeller efficiency = 0.8. The power plant comprises one-piston engine of 230 hp at sea level. Calculate the maximum velocity of the airplane at sea level. (Round the final answer to one decimal place.)
As new students begin to arrive at college, each receives a unique ID number, 1 to n . Initially, the students do not know one another, and each has a different circle of friends. As the semester progresses, other groups of friends begin to form randomly. There will be three arrays, each aligned by an index. The first array will contain a queryType which will be either Friend or Total. The next two arrays, students1 and students2, will each contain a student ID. If the query type is Friend, the two students become friends. If the query type is Total, report the sum of the sizes of each group of friends for the two students. Example n=4 queryType = ['Friend', 'Friend', 'Total'] student 1=[1,2,1] student2 =[2,3,4] The queries are assembled, aligned by index: Input from stdin will be processed and passed to the function as follows: The first line contains an integer n , the number of students. The next line contains an integer q , the number of queries. Each of the next q lines contains a string queryType[i] where 1iq . The next line contains an integer q , the number of queries. Each of the next q lines contains a string students1[i] where 1iq . The next line contains an integer q , the number of queries. Each of the next q lines contains a string students2[i] where 1iq . Sample Case 0 Sample Input 0 STDIN 0 3 2 Friend query = [Friend, Tota Total 2 1 2 2 2 Function 0.0 n=3 queryType [ ] size q=2 students 1[] size q=2 students 1=[1,2] students 2[] size q=2 students2 =[2,3] Sample Output 0 3 Fynlanation 0