4. A hydraulic lift consists of two pistons acting on a common fluid. If the areas of the two pistons are 50 cm2 and 2500 cm2, which end do you put under your 3000 lb car to lift it

Two charged particles, q1 and q2, are located on the x-axis, with q1 at the origin and q2 initially at x1 = 12.2 mm. in this configuration, q1 exerts a repulsive force of 2.62 µn on q2. particle q2 is then moved to x2 = 18.0 mm. what is the force (magnitude and direction) that q2 exerts on q1 at this new location? (give the magnitude in µn.)