# M1 QuestionWatch

#1

Ok, this is from the Jan 03 paper. I think I'm on the right track, I get a couple of simultaneous equations, but I'm not quite sure how to solve them, or if I've got the right ones.

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8 years ago
#2
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#3

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8 years ago
#4
(Original post by Jaziek)

They are correct, you know that F=R/3, as the coeff of friction is 1/3

then eliminate the R's from the equations (by subtracting one from the other)
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#5
(Original post by Mr ABC)
They are correct, you know that F=R/3, as the coeff of friction is 1/3

then eliminate the R's from the equations (by subtracting one from the other)
so

?
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8 years ago
#6
(Original post by Jaziek)
so

?
Yes, then

then divide both sides by

Voila
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#7
(Original post by Mr ABC)
Yes, then

then divide both sides by

Voila
got it.

T=11.

thanks.
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