Could u help to explain on why the average speed is 12m/s and the length of the

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Could u help to explain on why the average speed is 12m/s and the length of the train is 300m ? Thanks.

Date Posted: 7 years ago

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I could only do the a) part. Hope it helps
.

Date Posted: 7 years ago

Avis Yeo

7 years ago

Thanks

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Hope it helps

Date Posted: 7 years ago