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It's A.is it B?
KE of Trolley + KE of Mass = Loss in GPE
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It's A.is it B?
Check the Grade thresholds of previous years. They have listed marks for every paper and grade.If I scored 'd' in my AS levels, and I did pretty well in paper 4 and 5 (75/100 and 27/30), then what is the maximum grade that I can score? Can I get an A?
Is the answer D?help pleaseView attachment 54663
It's A.
KE of Trolley + KE of Mass = Loss in GPE
I found it in a topical past papers book. The year was not written.Which year is it.?
Seems so.. I don't know the answer pIs the answer D?
Resultant force(F) = Crane Force(12000) - Weight(1000 * 9.81)
F = ma
a = F/m
a = 2190 / 1000 = 2.2
:/ I don't think A shud be the answer...I found it in a topical past papers book. The year was not written.
:/ I don't think A shud be the answer...
Can u show me ur complete solution please
KE Trolley(1/2 * m * v^2) + KE Mass = Loss in GPE (mgh)
1/2 x 1.5 x v^2 + 1/2 x 0.5 x v^2 = 0.5 x 9.81 x 1.0
v^2 = 4.905
KE Trolley = 1/2 x m x v^2 = 1/2 x 1.5 x 4.905 = 3.7 J
Note: Velocity of both objects is same.
Year?View attachment 54671 Why is B wrong? Ans is D
J2000Year?
deltaP= change in MomentumView attachment 54674
How to do this one??
Voltage would stay the sameView attachment 54673 WHY is C wrong? ?
Resultant Moment= Clockwise moment - anticlockwise moment
There is no resistance due to plates so p.d. will remain same.View attachment 54673 WHY is C wrong? ?
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