Arock is dropped from a vertical cliff. the rock takes 3.00 s to reach the ground below the cliff. a second rock is thrown vertically from the cliff. it takes 2.00 s to reach the ground below the cliff from the time it is released. with what velocity was the second rock released?

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

What is the role of lenses in microscopy?

How many neutrons does plutonium -196 with an atomic number of 78.