A'level Physics 2005 Watch

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everybodylaughs
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#21
Report 14 years ago
#21
(Original post by SinghFello)
On the "book" question, wasnt the book a contact force, not a electomagnetic force, as stated in the question?!?
That threw me off a bit!
contact forsces r a kind of electrostatic force
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everybodylaughs
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#22
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#22
(Original post by mace5000)
cheers for that, for the book question, did u put that its not a newtons 2rd law pair coz the forces do not act on different bodies and that the forces are of different type, e.g contact force and gravational?

was not to sure about that one.
newton 3rd law pair r always of same typ, they diffe only in direction, and act on different bodies
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John714
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#23
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#23
I want to everyone a question, is OCR A2 PHYSICS MUCH HARDER THAN AS!!
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spongebobfan
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#24
Report 13 years ago
#24
didnt they ask for the diameter of an atom not nucleus? and also i was kinda lost about the americium stuff... oh well
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