posted by sandy on .
Mrs leuenberger ran the same maraton but since her husband was hunting and she couldn't find a babysitter she had to carry her two daughter in her arms They weigh 40 pounds and 55 pounds Mrs Leuenberger weighs 145 pounds How much work pound did Mrs Leuenberger expend if she ran the course in 2 hours 45 minutes?
How do you write this question out
Your teacher wants you to say zero. the weights were not moved against gravity.