1. While chopping down a tree, you find that the axe will go 2.30 cm into the tree before stopping when swung with a speed of 25.0 m/s. a. What is the acceleration of the axe?
b. How much force is exerted on the axe?​

Click the game tab at the bottom of the simulation and select level 1. (there is no seesaw balance for this part of the activity.) balance the first equation, and click check to see if you got it right. if you can’t balance it in the first try, you can try again. work through the five equations for level 1. click continue to go on to level 2, and later level 3. each level is more difficult than the one before. keep trying until all the equations are balanced. in one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

This is the number of complete movements of a wave per second.