Question

An engine of mass 5×10^4 pulls a coach of mass 4×10^4 kg . A resistance of 1n per 100kg is acting on both coach and engine if driving force of engine is 4500n then

Answer 1

Answer:

then acceleration is 0.04m/s^2 and total resistance =900N

Explanation:

I explained in the form of picture posted

hope you understand this.