'Monkey drop" is classic demonstration in an introductory physics lecture - [br]a pellet gun is aimed at a stuffed monkey doll which is held at a height above the lab table.[br][br]The monkey is released and allowed to drop and at the same instant the pellet gun is fired.[br][br]With this applet you can explore how the situation appears in the frames of reference of the table, the monkey and the pellet.[br][i][b][br]What questions would you ask your students to explore with this applet?[/b][/i]