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Principle of Environmental Physics Principle of Environmental Physics ESC 3006: Principle of Environmental PhysicsGroup 2Homework Assignment #2Mohamad Faiz ZainuddinDue: 1st October 2015 before lab #2Question #1-2 are taken from concept ch_02 slides 1. You drive for 4 miles at 30 mi/hr and then another 4 miles at 50 mi/hr. Find the average speed for the whole.