RED and BLUE are on a circular track.[br][br]Use the sliders to set their speeds.[br][br]Sketch the separation between RED and BLUE[br]as a function of time, when[br] a) they are both traveling in one direction at different speeds[br] b) they are traveling in opposite directions but at the same speed[br] c) they are traveling in opposite directions at different speeds[br][br][i][size=85]You can see an animation by clicking on the icon in the lower corner of either window.[/size][/i][br][br][color=#ff0000][i][b]What are some questions you might pose to your students[br]after they use this applet?[br][br]What sorts of answers do you imagine getting when you ask[br]those questions?[/b][/i][/color][br][br]