A runner Jogs with a velocity of 3m/s due north. She changes direction and jogs at the same speed due west. Explain whether her velocity has changed

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages