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  1. Choi WW

    For physics pratical...

    For the question 1, we carry out the experiment one time for the first part of the question, right? Then, if they ask us to repeat the experiments until we have six sets of reading, is the six sets including the first reading we have carried out in the beginning or not?
  2. Choi WW

    For physics practical question1

    For question 1, they usually ask us to do the experiment one time in the beginning, and then, they ask use to repeat the experiment unit we have 5 sets(( or centain amount given in the question) of reading, right? Is the 5 sets including the one set from the beginning of the question or except...
  3. Choi WW

    Physics AS paper2 , rounding up...

    There are a lot of calculation questions in physics, right? Also, there are many parts in each questions, and some of them are continuous, so we have to use the answer of the previous answer. For that case, the result is sometimes different from the marking scheme due to rounding up from the...
  4. Choi WW

    9231/01/m/j/08 question 10

    Can someone explain me the second part, sigma (2n-1)sin((2n-1)pi/N)?
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