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http://papers.gceguide.com/A Levels/Physics (9702)/9702_w16_qp_13.pdf
Q16,13 ,29,24,25 ANYONE
GarryTheGhost Thankyouuu!!
Anyone?
Ans?que 30 anyone ??+
oh finally got the answerAmmeter reading = 0
P.D across junction = 0
P.D(R4) = P.D(R2 )
R4/(R3 + R4) * V = R2 /( R2 + R1 ) *V
(R2 + R1)* R4 = R2 *(R3 + R4)
R2R4 +R4R1 = R2R3 + R4R2
R4R1 = R2R3
AND = D
you'r welcome anytime :I guess you did it like this 8= ;[ 1/R + 1/2R ]^-1
2R/3 = 8
and R = 12
Thankyou the help.
E = (F/A) /( extension /length)
--> Stress : F/A
F = W = mg ( g is constant)
m = density * volume (density is constant as same material )
V = l * l* l ( The Load is a cube )
[The model is one tenth full-size in all linear dimensions.]
V = 1/10*1/10*1/10
V = 1/1000
When V decreases mass decreases and hence Force decreases
F = 1/1000
Area = A = l*l
= 1/10 * 1/10
= 1/100
So Stress = F/A = (1/1000)/(1/100) ---->1/10
----> Strain : e/l
Suppose extension = 1
length = 1/10
Strain = 10
E = stress/ strain = 0.1 / (10)
=> 1/100
Ration of original to model = 1/(1/100)
= 10^2 ANSWER = C
ANYONE ??????
thanks a lot .vertical:
v=u+at
v=8+(-1.62)(9)
v=-6.6ms-1
horizontal:
v=4ms-1
Resultant Velocity:
Sqroot of 4^2+6.6^2 = 7.7ms-1
Ans is A
9702_13 2016
You'll take the distance between XY = 1/2 wavelenght. Then find frequency and the time period afterwards. You'll get T=1ms which is two 2 grids on the CRO
Initial kinetic energy of trolley = 4Jthe answer is 20J. but how??????
thanks alot manE = V/ d
V = E d
= 60000* (4/1000)
= 240 V
the confusion is that how the answer is -320V
Have a look
Q : Which potential should be applied to the upper plate to create an electric field of strength
60 000 V m–1 upwards in the space between the plates?
this means that
Electric field arrows go from -80V to the upper plate.
so we will do it like;
V = -80 -240
:. V = -320 v
I hope I make sense.
thankyou so much but the answer is B not D so i should be getting 4 gridsYou'll take the distance between XY = 1/2 wavelenght. Then find frequency and the time period afterwards. You'll get T=1ms which is two 2 grids on the CRO
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