Motion in A Plane

Question: The acceleration of a train travelling with speed of 400 m/s as it goes round a curve of radius 160 m, is



1) \[1\,\,km/{s^2}\]
2) \[100\,\,\,m/{s^2}\]
3) \[10\,\,m/{s^2}\]
4) \[1\,\,m/{s^2}\]
Solution: Explanation: Explanation

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