Which of the following items involve a wedge?
Check all that apply.
A. A chisel
B. An axe
C. A knife.
D. A hairbrush

Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h

For which pair of objects would adding the same a

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