riyabhinder1 riyabhinder1 04-07-2024 Physics Answered a student walks 5 km (w), followed by 8 km (N30^degreeE), followed by 10 km (E45^degreeS) and finally a 4 km walk (W20^degreeS). If the trip takes 9 hours, determine: a) the student's average speed b) the student's average velocity