A baseball was hit at 45 m/s at an angle of 45° above the horizontal. a. How long did it remain in the air?
b. How far did it travel horizontally?

You can find results and justify them? you can test your hypothesis

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips. 

Idk

The answer would ve running