Would anyone be able to o an application of physics project for me, it has to be 500 words l m a o

Which statement best describes how private industry decides where to spend the money on research and development

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

How is zig zagging a form of acceleration?