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    Physics
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    Question

    T h e space m a x i m u m space v e l o c i t y space left parenthesis i n space m s – 1 right parenthesis space w i t h space w h i c h space a space c a r space d r i v e r space m u s t space t r a v e r s e space a space f l a t space c u r v e space o f space r a d i u s space 150 space m space a n d space c o e f f i c i e n t space o f space f r i c t i o n space 0.6 space t o space a v o i d space s k i d d i n g space i s space
    The maximum velocity (in ms–1) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction 0.6 to avoid skidding is 

    1. 60 space
    2. 30
    3. 15
    4. 25

    The correct answer is: 30

      omega equals 2 pi left parenthesis 1200 minus 600 right parenthesis rad over min equals fraction numerator 2 pi cross times 600 over denominator 60 end fraction rad over straight s

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