The engine of a bike can produce a maximum acceleration 4 m-s2- Its brakes can produce a maximum retardation 8 m-s2- What is the minimum time in which it can cover a distance of 108 m- - - - - - 4 m-s2 - - - - - - - - 8 m-s2 - - - - - 108 m - - - - - - - - - -

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Standard VII

Physics

Uniform and Non-Uniform Motion

The engine of...

Question

The engine of a bike can produce a maximum acceleration 4 m/s². Its brakes can produce a maximum retardation 8 m/s². What is the minimum time in which it can cover a distance of 108 m?

एक बाईक का इंजन अधिकतम त्वरण 4 m/s² उत्पन्न कर सकता है। इसके ब्रेक अधिकतम मंदन 8 m/s² उत्पन्न कर सकते हैं। यह 108 m की दूरी कितने न्यूनतम समय में तय कर सकती है?

18 s

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9 s

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The correct option is C 9 s
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The correct option is C 9 sSolution

The correct option is C 9 s
Solution