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Average Speed

A railway car...

Question

A railway carriage has its CG at a height of 1 m above the rails which are 1 m apart. Calculate the maximum safe speed at which it can travel round an unbanked curve of radius 80 m.

A

9.8 m s^{- 1}

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B

19.8 m s^{- 1}

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C

39.8 m s^{- 1}

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D

69.8 m s^{- 1}

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Solution

The correct option is B $19.8 m s^{- 1}$

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