1.

A car stops and then a start accelerating uniformly at rate of \[3\,\,m\,\,{{s}^{-2}}\], speed of car after 20 seconds is

A. \[40\,\,m\,\,{{s}^{-2}}\]
B. \[60\,\,m\,\,{{s}^{-2}}\]
C. \[100\,\,m\,\,{{s}^{-2}}\]
D. \[30\,\,m\,\,{{s}^{-2}}\]
Answer» C. \[100\,\,m\,\,{{s}^{-2}}\]


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