science
posted by Keria .
Mrs leuenberger ran the same marathon but since her husband was hunting and she couldn"t find a babysitter she had to carrY her two daughter in her arms they weighs 40pounds and 55 pounds mrs leuenberger weights 145pound (butyou didn't hear that from me) How much work and power did Mrs leunberger expand if she ram the course in 2hour 45mimutes?A.
A.work
B.power

a cork has a mass of 3 grams and a volume of 16 cm^3 .calculate the density