A hockey puck is placed on a flat, infinite sheet of ice in the Southern Hemisphere. It is then given a slight push to the west. The sheet of ice is frictionless so that the speed of the puck after the push is constant. What horizontal force acts on the puck after the push

Not all tiles will be usedidentify the element present in each star based on the gaps observed in wavelengths of its light refer to this table containing absorption wavelengths (in nm) of several different elements the table ishelium 447, 502 ,587 ,668carbon 427 ,515, 600 ,678sulfur 425, 565, 639, 675xenon 484, 590, 687calcium 429 ,527, 593, 645silver 421 ,521, 662

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

Ascientific blank must be testable and capable of being proven false?