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Title: A child does 350 J of work while pulling a box from the ground up to his tree Post by: mikael on May 14, 2014 A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The tree house is 5.0 m above the ground. What is the mass of the box? A) 7.1 kg B) 4.3 kg C) 5.3 kg D) 6.4 kg Title: Re: A child does 350 J of work while pulling a box from the ground up to his tree Post by: bio_man on Jun 18, 2014 Content hidden
Title: Re: A child does 350 J of work while pulling a box from the ground up to his tree Post by: mikael on Jun 18, 2014 Thanks for the help
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