A skateboarder wants to see how her motion changes during a competition. help her by graphing her distance at one second intervals. this will show her how her speed changes throughout the competition 1. what is the IV?
2. what is the DV?
3. will you use a line graph or a bar graph?

Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?

What effects result when there is an impact between earth and an asteroid? check all that apply. a.massive flooding. b.extinction of many life forms.c.major earthquakes change in average global temperature.d. giant dust cloud

What sort of waves exhibit the doppler effect?