Mathematics · Speed, Time and Distance
एक वाहन ब्रेकिंग टेस्ट में, प्रारंभिक गति 18 किमी/घंटा है। जब ब्रेक लगाए जाते हैं, तो वाहन रुकने से पहले 5.0 मीटर लंबे स्किड के निशान छोड़ता है। स्किड प्रतिरोध (घर्षण गुणांक) का परिमाण क्या होगा? (g = 10 m/s2 लें)
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