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0An engine of mass 5 xx 104 kg pulls a c...

0An engine of mass` 5 xx 104` kg pulls a coach of mass`4xx10kg.` Suppose that there is a resistance of 1 N per 100 kg acting on both coach and engine, and that the driving

A

`0.04m//s^(2),2000 N`

B

`0.04m//s^(2),200 N`

C

`0.04m//s^(2),20 N`

D

`0.04m//s^(2),200 N`

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