Author Topic: Physics P6 HELP !!  (Read 15539 times)

Offline astarmathsandphysics

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Re: Physics P6 HELP !!
« Reply #90 on: May 05, 2009, 02:15:38 pm »
11.1CM FROM THEcentre.

Offline hyebyekadal

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Re: Physics P6 HELP !!
« Reply #91 on: May 05, 2009, 02:17:31 pm »
astar u answer is what it says in the q but i dont know how. Please can ou loka t question and help me? thanks again idk how i could have survived otherwise

Offline hyebyekadal

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Re: Physics P6 HELP !!
« Reply #92 on: May 05, 2009, 02:18:12 pm »
astar ur first ans is wat the ms said was correct

Q80BOY

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Re: Physics P6 HELP !!
« Reply #93 on: May 05, 2009, 02:21:59 pm »
I think that one should look like this

r u sure ?? i have 3 different answers now  ???

Q80BOY

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Re: Physics P6 HELP !!
« Reply #94 on: May 05, 2009, 02:23:24 pm »
11.1CM FROM THEcentre.

how ?? the whole diagram is 9 cm only  ???

Offline hyebyekadal

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Re: Physics P6 HELP !!
« Reply #95 on: May 05, 2009, 02:25:26 pm »
qboy he said from centre and no the whole thing is not 9cm its 100cm checkq and any the ms say the ottherway around why????

mass on correct side [1]
approx twice as far from pivot (by eye) [1]
(between 35 and 40)

Offline astarmathsandphysics

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Re: Physics P6 HELP !!
« Reply #96 on: May 05, 2009, 02:26:35 pm »
55.5*20=100*x so x= 1110/100=11.1 and this is the correct answer.

Offline hyebyekadal

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Re: Physics P6 HELP !!
« Reply #97 on: May 05, 2009, 02:32:36 pm »
so ms  is wrong?

Q80BOY

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Re: Physics P6 HELP !!
« Reply #98 on: May 05, 2009, 02:35:09 pm »
55.5*20=100*x so x= 1110/100=11.1 and this is the correct answer.

is this right ?? (see attachment)  ???

Offline hyebyekadal

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Re: Physics P6 HELP !!
« Reply #99 on: May 05, 2009, 02:38:29 pm »
MY QUESTION  is why does the ms say otherwise? AHHH TO MUCH TO STDY!!

Offline astarmathsandphysics

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Re: Physics P6 HELP !!
« Reply #100 on: May 05, 2009, 02:43:34 pm »
Does the ms say from the edge or the centre? I say from the centre.

Q80BOY

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Re: Physics P6 HELP !!
« Reply #101 on: May 05, 2009, 02:46:09 pm »
Does the ms say from the edge or the centre? I say from the centre.

it says

mass in correct side [1]
approx twice as far from pivot (bye eye) [1]
          (between 35 and 40)


Offline astarmathsandphysics

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Re: Physics P6 HELP !!
« Reply #102 on: May 05, 2009, 02:53:17 pm »
In that case I think the ms is wrong.

Offline Christy

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Re: Physics P6 HELP !!
« Reply #103 on: May 05, 2009, 02:58:57 pm »
can someone tell me which question u guys are discussing so i can help out 

Offline astarmathsandphysics

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Re: Physics P6 HELP !!
« Reply #104 on: May 05, 2009, 03:08:50 pm »
Cot/Nov 2001 P6 Q3b