Sketch a position vs. time graph of the following: A car stopped at a red light that just turns green traveling in the negative direction. How do you find the slope of a line?

Blank liquids and gases exert a buoyant force on objects placed in them

In an experiment, how can i change human errors? be specific.

Diego kicks a soccer ball from the end line. his fellow students time and mark the soccer ball as it moves down the field. the graph represents the ball's progress. based on the graph, during what time is the velocity constant and positive?