A car is at at and reaches at

PHYSICS · Single correct · CBSE · Physics · Motion · Motion

Problem

A car is at x=20 mx=20\,\text{m} at t=0t=0 and reaches x=100 mx=100\,\text{m} at t=4 st=4\,\text{s}. Calculate its average velocity during this interval. (a) 25 m s−125\,\text{m\,s}^{-1} (b) 20 m s−120\,\text{m\,s}^{-1} (c) 16 m s−116\,\text{m\,s}^{-1} (d) −20 m s−1-20\,\text{m\,s}^{-1}

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