a .42 kg soccer ball is initially moving at 2 m/s. A soccer player kicks the, exerting a constant 40 N force in the same direction as the balls motion. Over what must her foot be in with the ball to increase the balls speed to 6 m/s

Ahypothetical metal has an orthorhombic unit cell for which the a, b, and c lattice parameters are 0.413 nm, 0.665 nm, and 0.876 nm, respectively. (a) if there are 8 atoms per unit cell and the atomic packing factor is 0.536, determine the atomic radius (in nm). (b) if the density is 3.99 g/cm3, calculate the metal's atomic weight (in g/mol).