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Bros, you got any special tips for paper 1? And do send some tough paper 1 questions. I just finished the rest of my AS exams today, so I just got physics paper 1 left.
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A few of my friends are giving it, but i am done with my practical(v33). My friends told me there will be a water/thermodynamics experiment. You can ask around if anyone else knows the details about which type of experiments are coming up.anything on paper 34 on 30th may 2018
How did you find the paper? Was it difficult?Yes p32
Someone plz tell that what is wrong with statement A
Maybe then it is the energy 'released as heat' to the surroundings...lol idkI guess the main focus point here is the Elastic potential energy lost is the area ' X ' for the graph here is force-extension thus, it show lost energy.
But there was another question in june 2013 12 where it asked what the area between the graphs meant and there the correct option was amount of thermal energy dissipated in the rubber.
http://physics-ref.blogspot.com/2018/02/a-rubber-cord-hangs-from-rigid-support.html
I don't know, I am getting confused myself.
Maybe then it is the energy 'released as heat' to the surroundings...lol idk
This question is really easy and simple. You can easily answer it by understanding that the area under a graph is the work done for a F-x graph. So, the total area under the graph to reach e is the combo of X and Y, thus the answer is B. What I am about to say may confuse you, so you may choose to ignore it. A being incorrect would require a detailed explanation with a diagram(too lazy for that)... but the confusing part about it is that when the spring is going from e to 0, the area under the graph is not Y... it is the area above X(look at it clearly and understand it). So when you shade the area under the graphs for both occasions(1st occasion being 0 to e, 2nd occasion being e to 0). You will end up finding that both of them are equal... hence none of the elastic potential energy is converted to heat energy which tells you that A is wrong.Someone plz tell that what is wrong with statement A
Bro, if you don't know how to do this, may god bless you for the upcoming exam. Really easy question...View attachment 63702
how do you do this?
This question is really easy and simple. You can easily answer it by understanding that the area under a graph is the work done for a F-x graph. So, the total area under the graph to reach e is the combo of X and Y, thus the answer is B. What I am about to say may confuse you, so you may choose to ignore it. A being incorrect would require a detailed explanation with a diagram(too lazy for that)... but the confusing part about it is that when the spring is going from e to 0, the area under the graph is not Y... it is the area above X(look at it clearly and understand it). So when you shade the area under the graphs for both occasions(1st occasion being 0 to e, 2nd occasion being e to 0). You will end up finding that both of them are equal... hence none of the elastic potential energy is converted to heat energy which tells you that A is wrong.
So how do you explain the area bw the two graphs?There
View attachment 63702
how do you do this?
Focus on electricity. Mechanics is pretty straightforward but with electricity, you have to know all about connections.Anything about Paper 34???
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