Physics

Problem

50\,\text{kg}

suitcase is lifted vertically through

1.2\,\text{m}

. Which of the following is closest to the work done, expressed in kilocalories

(1\,\text{kcal}=4.186\times10^{3}\,\text{J})

? a)

1.4\,\text{kcal}

0.28\,\text{kcal}

0.14\,\text{kcal}

0.014\,\text{kcal}