It was very very very fun . And I myself had a lot of fun . Physics was very tough at first but as times go by , and through hard work I managed to do well for physics . At first , I didn't liked physics but now , i love physics . I had a very nice and patient teacher , who can be both serious and funny at times , and all in all I was grateful and thankful that i was able to do quite well in physics .
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Section A :
Question 6: I was too quick of myself that I didn't read the question correctly.I was meant to find three quarters but instead I had chosen the one with a full oscillation. Question 8: Careless!!I didn't divide the time taken by 20 oscillations so instead my frequency was found using 1 over 20 oscillations. Question 11: I still do not understand why there was an increase in gravitational potential energy. Question 14: I didn't fully understand this chapter. But now,I know that the cooling fins was painted black was so the refrigerator can give out heat by radiation so that the fridge can be cooling,to refrain the items in the fridge to spoil. Question 15: I still do not understand why the answer was that the temperature of the water stops boiling. Question 20: I had known and gotten the answer right.But I had somehow copied the wrong answer to the answer sheet. Section B: Question 1: (c)I had written "kilo" as "kilometer". Question 5: (a)I had mistaken and thought that from C to D, the hot liquid was still in the liquid, solid mixture state. (d)I do not understand why is it that the potential energy had changed and where the potential energy has come from. (e)Due to the fact that I didn't understand why there was a change in potential energy, I wasn't able to answer and understand it. Question 7: (b)I had forgotten to include in heat and sound energy. (c)I should had known to include friction as a factor.Since there was heat and sound energy,there must be friction for it to change some of the energy. Section C: Question 2: (c) (ii) I had some calculations error, so I wasn't able to get the correct answer. Question 3: (a)(b)(c) I don't understand what the answer sheet had said for the graph so I wasn't sure whether my answer was right or not.But due to the fact that I wasn't able to get my gradient right,I presume that my answer is wrong.But I do not understand it. Section A: 14/20 Section B: 32/40 Section C: 14/20 Total: 60/80 Section A:
What have i learnt?
I have learnt that there are three states of matter;solid,liquid and gas.They all have their different arrangement and movement of particles with forces of attraction.Also, the kinetic model of matter states that tiny particles called atoms or molecules,that make up matter are always in continuous motion.Lastly,i learnt that motion and temperature makes a different.When the temperature is increased,the particles move faster.And when the temperature is decreased,the particles move more slowly.But still,for both the movements of the particles,they remain random and continuous. 1 thing I am unsure about 1 thing i am unsure about is that when am I suppose to use the kinetic theory of matter to explain or answer into my answer.Am I always suppose to apply it into every question or into those where the question have specifically asked me to apply it into the question. Roses Are Red
Violets Are Blue A Full Oscillation Happens From Left To Right And Back To Left Again. 3 things i have learnt:
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October 2015
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