**<tex>\Delta s_1 = u\Delta t + \frac{1}{2}a_1\Delta t^2</tex>

**<tex>\Delta s_1 = u\Delta t + \frac{1}{2}a_1\Delta t^2</tex>

**<tex>\Delta s_1 = \frac{u_1+v_1}{2}\Delta t</tex>

**<tex>\Delta s_1 = \frac{u_1+v_1}{2}\Delta t</tex>