Seminar5_Solutions - Last Name_=-=-~-= 5 0 1L-h OYl ~ ENPH 131 Faculty of Engineering First Name Seminar 5 Constrained\/Relative Motion and Department of

Seminar5_Solutions - Last Name_=-=-~-= 5 0 1L-h OYl ~ ENPH...

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----------------- 9 Fac ulty of ENPH 131 Last Name :_ 5 =---.: 0 "",-,- -=--- ~ _ ----= =--_ 1 L) -h - O Yl ~ Engineering Seminar 5 First Name: Constrained/Relative Motion and ID Number: ________________ _ Depar tme nt of Starting Feb 10,2014 Physics Seminar Section: -------- Please do all work on handout and boxfinal numerical answers. Total=20 marks. 1. An airplane travelling in a horizontal plane moves directly east (relative to the ground) with an airspeed of 215 kmlhr (relative to the wind). The pilot must aim his plane somewhat south of east, due to a constant wind the blows at 65 kmlhr (relative to the ground) at 20° east of N s a) What is the speed of the airplane relative to the ground? And at what angle, below the East (the usual +x -axis) must the pilot aim his place in order to achieve this motion? north. Gx ~ ~ L 0 i-) e d- ) -= ) . 8 3-) -t- (7 J-) -