Submit each portion of your presentation which includes your annotated bibliography, a complete outline of your presentation, images, tables, graphs, illustrations, notes from any interviews you conducted including researchers’ responses, and a list of the possible audience questions for which you prepared answers in advance. Submit your completed presentation as well.

Aplayground slide is 8.80 ft long and makes an angle of 25.0° with the horizontal. a 63.0-kg child, initially at the top, slides all the way down to the bottom of the slide. (a) choosing the bottom of the slide as the reference configuration, what is the system's potential energy when the child is at the top and at the bottom of the slide? what is the change in potential energy as the child slides from the top to the bottom of the slide? (include the sign of the value in your answer.)