The velocity of a scooter increases uniformly from to in

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

Problem

The velocity of a scooter increases uniformly from 00 to 20 m s−120\,\text{m s}^{-1} in 4 s4\,\text{s}. What is the acceleration during this period? (a) 80 m s−280\,\text{m s}^{-2} (b) 5 m s−25\,\text{m s}^{-2} (c) 2.5 m s−22.5\,\text{m s}^{-2} (d) 20 m s−220\,\text{m s}^{-2}

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