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October 21, 2025, 09:06:21 pm
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Author Topic: dejan91's questions  (Read 17062 times)  Share 

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Mao

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Re: dejan91's questions
« Reply #90 on: October 31, 2009, 11:03:22 pm »
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|F| = 10g

1 kg wt = 1g N
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dejan91

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Re: dejan91's questions
« Reply #91 on: October 31, 2009, 11:44:47 pm »
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Thanks Mao :)
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dejan91

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Re: dejan91's questions
« Reply #92 on: November 01, 2009, 12:16:15 am »
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If the vector makes an angle of with the positive y-axis, then:

A. x = 0 and y = -1
B. x=6 and y=-1
C. x=2 and y=1
D. x=-2 and y=1
E x=-2, 2 and y = -1
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TrueTears

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Re: dejan91's questions
« Reply #93 on: November 01, 2009, 12:44:37 am »
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Let



You'd then have to test options to see which x and y works, it's the only way.
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dejan91

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Re: dejan91's questions
« Reply #94 on: November 01, 2009, 12:51:24 am »
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Still don't understand :P I know what you mean the only way is to go down the list, but how did you get to that equation there^^^?
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kamil9876

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Re: dejan91's questions
« Reply #95 on: November 01, 2009, 12:52:58 am »
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good, except you take




which implies is negative hence looking at the options given it is -1:



and i don't think this solution is unique, but it is the only one out of those.
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TrueTears

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Re: dejan91's questions
« Reply #96 on: November 01, 2009, 03:58:39 am »
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Quote from: kamil9876 on November 01, 2009, 12:52:58 am
good, except you take




which implies is negative hence looking at the options given it is -1:



and i don't think this solution is unique, but it is the only one out of those.
What you mean? I did that didn't I?
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