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Physics: Post your doubts here!

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there were a bunch of new conceptual questions. there was a particular question no one could solve- sand was placed on an oscillator of s.h.m and then the amplitude was slowly increased till it slid off. they asked to find the new amplitude. everyone was like lolwot
damn i guess the Exam board was pissed off at making such an easy paper in 2017
 
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there were a bunch of new conceptual questions. there was a particular question no one could solve- sand was placed on an oscillator of s.h.m and then the amplitude was slowly increased till it slid off. they asked to find the new amplitude. everyone was like lolwot
I got 17.3 mm for the amplitude question on SHM... you?
 
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yea
I didnt use tangent, i just used the simple half life to carry out the equation. because in books they just took simple half life from the decay curve?
yeah but i think they wanted you to use the gradient.... cause in part b they said without calculating the half life...
 
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do yall think the grade threshold for A can be atleast 60? because even last years papers had 65 and 55 and this years was much diff than last ones
 
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