A metal crystallizes in the face‑centered cubic (fcc) lattice. The density of the metal is 10500 kg/m3, and the length of a unit cell edge, , is 408. 6:00 PM. Calculate the mass of one metal atom.

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The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.

Analyze the forces acting on a cyclist who is slowing down as he or she climbs a hill