Homework Help: Physics

Posted by Edwin on Sunday, October 24, 2010 at 4:37pm.

Yep its me again... sorry for re-posting this question but I am quite desperate here and I need to have this question answered, sorry if that sounds rude.

IF 2.0 J of work is done raising g apple how far is it lifted?

I know W= Fd

hence I divided instead of multiplying and I got this: 0.11 which does not sound right. In the book makes a reference saying an apple from your waist to the top of your head is about 1J but not sure that can help.

I would appreciate any help.

Physics - drwls, Sunday, October 24, 2010 at 4:42pm
I have no idea what you mean by "g apple". The distance it is lifted is
H= Work/(M*g)

One needs to know the apple's mass M in order to answer the question.

Perhaps they told you what M was, but you didn't tell us.

I'm sorry if that sounds rude.
Physics - Edwin, Sunday, October 24, 2010 at 4:45pm
Sorry typo I meant 180 g apple, I am really sorry

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