Question
An engine of mass 50,000 kg pulls a coach of mass 40,000 kg. If there is a resistance of 1 N per 100 kg acting on both the engine and the coach, and if the driving force of the engine be 4,500 N, then the acceleration of the engine is
Options :
0.08 m/s²
Zero
0.04 m/s²
None of these
Answer :
0.08 m/s²
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