A car weighing 500 kg moving against a resistance of 500 N, accelerates from rest to 20 m/s in 10s (g=10m/s^2). The work done by the engine of the car is : A car weighing 500 kg moving against a resistance of 500 N accelerates from rest to 20 m/s in 10s (g=10m/s^2). The work [...]