Four toy cars are moving at a constant speed until they experience an unbalanced force of 12 n each. which toy car would have an acceleration of 3 m/s2 ? responses the car with a mass of 4 kg the car with a mass of 4 kg the car with a mass of 36 kg the car with a mass of 36 kg the car with a mass of 8 kg the car with a mass of 8 kg the car with a mass of 24 kg