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Home Q & A Board Science-Related Homework Help Physics
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mikael mikael
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10 years ago

 
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 
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bio_manbio_man
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9 years ago
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mikael Author
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9 years ago
Thanks for the help
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