An 6000 \(kg\) engine pulls a train of 4 \(wagons\), each of 2000 \(kg\), along a horizontal track. If the engine exerts a force of 70000 \(N\) and the track offers a friction force of 5000 \(N\), then calculate:
1. the net accelerating force and
2. the acceleration of the train
\(N\)
Important!
Note: Enter your answer with 2 decimal digits.