Suppose [color=#0000ff][b]particle A [/b][/color]and [color=#cc0000][b]particle B[/b][/color] start at the same spot. [br][br]Suppose [color=#0000ff][b]particle A[/b][/color] [color=#0000ff]starts to head east at a speed of 10 m/s.[/color] [br]At the same time [b][color=#0000ff]A[/color][/b] leaves its initial position, [color=#cc0000][b]particle B[/b][/color] [color=#cc0000]starts heading north at a speed of 5 m/s[/color]. [br][br]Play to animate, then answer the questions that follow. [br]([color=#ff00ff][b]Please don't click the checkbox yet. Do so when prompted to.) [/b][/color]