Physics

Problem

1500\,\text{kg}

train coach accelerates on a level track from

10\,\text{m}\,\text{s}^{-1}

25\,\text{m}\,\text{s}^{-1}

. a. (i) Calculate the net work done on the coach in joule. b. (ii) Convert the work obtained in part (i) into kilowatt–hour (kWh).