A car, initially at rest, travels 20m in 4s along a straight line with constant * 4 points acceleration. The acceleration of the car is: 1.3 m/s/s 2.5 m/s/s 4.9 m/s/s 3.3 m/s/s Which of the following only depends on the amount of matter present? * 4 points weight O mass friction transverse