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nop its not in da as level my teacher never explained it nd dere r no questions about in da pastpapersHi all, i was just wondering if alternate currents come up in the aslevel exam?? cause on the syllabus it says its for alevel, but our teacher taught it to us this year, so im confused where to study it or not? help please
In q5 you just find out different values of current for given vlaues of voltage on x axis and plot a graph.....http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s11_qp_21.pdf
Guys i need help on Q5) aii
AND Q7. b
make a horizontal vector and a vertical vector by working out the vertical velocity and these will be 90 degrees to each other and simply use pythagoras theorem to find the resultant =)need help in may june 2007..
question 4 d) i. what is the resultant vector? :S
http://www.xtremepapers.com/papers/...and AS Level/Physics (9702)/9702_s07_qp_2.pdf
Uh... the resultant velocity is 25 (given in part b)).make a horizontal vector and a vertical vector by working out the vertical velocity and these will be 90 degrees to each other and simply use pythagoras theorem to find the resultant =)
isnt the vertical velocity is the one equal to 25ms^-1 ?Uh... the resultant velocity is 25 (given in part b)).
So you have to take an appropriate scale and draw in the horizontal first. Then draw a vertical from the end of the horizontal (at 90 degrees). Then start the resultant from the other end of the horizontal and join this to the vertical where the resultant is equal to 25 (from your scale). Then rub out the vertical and measure the angle between the horizontal and resultant velocities.
Nope, doesn't fit in.isnt the vertical velocity is the one equal to 25ms^-1 ?
cause the weight is 4N .. and since the string remains taught.. it doesnt move horizontally.. the tension is the same as the weight.. doesn't change.need help in may june 2008
question 5 c) why they used the tensian as 4.00 ?
Initial momentum = mv = 0.035 x 4.5 = 0.1575 kgm/s (downwards)http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s04_qp_2.pdf
please explain question 4 a (ii) and b =)
thank you for any help ^_^
a)ii)http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s04_qp_2.pdf
please explain question 4 a (ii) and b =)
thank you for any help ^_^
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