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October 30, 2025, 06:45:54 pm
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Author Topic: My Exam 1 answers  (Read 14107 times)  Share 

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kdgamz

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Re: My Exam 1 answers
« Reply #75 on: October 30, 2009, 08:30:25 pm »
Quote from: rohanftw on October 30, 2009, 08:27:25 pm
Quote from: kdgamz on October 30, 2009, 08:22:24 pm
Quote from: NE2000 on October 30, 2009, 08:19:10 pm
hmmm...it said to the 'nearest Newton'

yeh i sat there calculating 50 x 9.8.....



I did it like:

=50*9.8
=50(9 + .8)
=50(9 + 4/5)
=50*9 + (4/5)*50
=450 + 40
=490

But I think you would lose a mark considering the explicit 'to the nearest newton'.


no i did write 490 N...i was just slightly wary as i didnt think u needed to calculate 50 x 9.8
« Last Edit: October 30, 2009, 08:33:35 pm by kdgamz »
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TrueTears

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Re: My Exam 1 answers
« Reply #76 on: October 30, 2009, 08:31:14 pm »
Quote from: nels on October 30, 2009, 08:17:22 pm
shit, I left question 2 in terms of g. i will get penalised for that, wont i?
Yes you needed to compute g.
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PhD @ MIT (Economics).

Interested in asset pricing, econometrics, and social choice theory.

NE2000

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Re: My Exam 1 answers
« Reply #77 on: October 30, 2009, 08:31:43 pm »
 :o

Quote from: rohanftw on October 30, 2009, 08:27:25 pm
Quote from: kdgamz on October 30, 2009, 08:22:24 pm
Quote from: NE2000 on October 30, 2009, 08:19:10 pm
hmmm...it said to the 'nearest Newton'

yeh i sat there calculating 50 x 9.8.....


I did it like:

=50*9.8
=50(9 + .8)
=50(9 + 4/5)
=50*9 + (4/5)*50
=450 + 40
=490

But I think you would lose a mark considering the explicit 'to the nearest newton'.


I did it by halving 9.8 and multiplying by 100
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2009: English, Specialist Math, Mathematical Methods, Chemistry, Physics

arthurk

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Re: My Exam 1 answers
« Reply #78 on: October 31, 2009, 12:37:38 am »
Quote from: NE2000 on October 30, 2009, 08:31:43 pm
:o

Quote from: rohanftw on October 30, 2009, 08:27:25 pm
Quote from: kdgamz on October 30, 2009, 08:22:24 pm
Quote from: NE2000 on October 30, 2009, 08:19:10 pm
hmmm...it said to the 'nearest Newton'

yeh i sat there calculating 50 x 9.8.....


I did it like:

=50*9.8
=50(9 + .8)
=50(9 + 4/5)
=50*9 + (4/5)*50
=450 + 40
=490

But I think you would lose a mark considering the explicit 'to the nearest newton'.


I did it by halving 9.8 and multiplying by 100
i like ur style:P
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