Two remote controlled karts collide. If Kart 1 has a mass of 20 kg and accelerates at a rate of 4 m/s2 after the collision, what will the acceleration of Kart 2 (m = 5 kg) be? Question 7 options: -16 m/s2 -4 m/s2 -8 m/s2 -25 m/s2