Which of the following is a base by Arrhenius definition? HCl→ H+ + Cl-

Mg(OH)2→ Mg+2 + 2 OH-1

Na2SO4→ Na+ + SO4-2

H3PO4 + H2O→ H3O+ + PO4-3

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²