Find the maximum speed with which an aut...

Find the maximum speed with which an automobile can round a curve of radius 8 m without slipping of the road is unbanked and he coefficient of friction between the road an the tyres is `0.8 (g=10 m//^(2))`

`8ms^(-1)`

`10ms^(-1)`

`20ms^(-1)`

none of these

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