For the bar shown in Figure P16–7, determine the nodal displacements, velocities, and ac...

For the bar shown in Figure P16–7, determine the nodal displacements, velocities, and accelerations for five time steps using two finite elements. Let E = 30 × 10⁶ psi, ρ = 0:00073 lb-s²/in⁴, A = 1 in², and L = 100 in.