F = ma; a = F/m = 8/0.6 = 13.3
S = V^2 - V0^2/2a ; V0^2 = V^2 - 2aS = 6^2 - 2*13.3*1.2 = 4.08; V0 = 2м/c.
F = ma; a = F/m = 8/0.6 = 13.3
S = V^2 - V0^2/2a ; V0^2 = V^2 - 2aS = 6^2 - 2*13.3*1.2 = 4.08; V0 = 2м/c.