Ramp, which makes an angle of 30o degrees to the horizontal. a distance d = 1.3 m away from the block is an unstretched spring with k = 3 × 103 n/m. the block slides down the ramp and compresses the spring. find the maximum compression of the spring. xmax

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.