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  1. ShreeyaBeatz

    A level Biology: Post your doubts here!

    Thanks for the help! Highly appreciated this :)
  2. ShreeyaBeatz

    A level Biology: Post your doubts here!

    hey guys i have bio exam in O/n so can someone explain the follwing questions? 9700/01/m/j/05 questions- 14,11,5 9700/01/o/n/04 questions- 27,,30,39,20,13 and 5 Help would be really appreciated :)
  3. ShreeyaBeatz

    Chemistry: Post your doubts here!

    Please help me on the reaction of ethanal and propanal. Like what happens? A question was in M/J/09 paper 2 The explaination is given here - http://research.cm.utexas.edu/nbauld/teach/ch610bnotes/ch18/crossaldol.htm BUT HOW??
  4. ShreeyaBeatz

    Chemistry: Post your doubts here!

    Guys help me with q.no 2 and 15! http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s08_qp_1.pdf
  5. ShreeyaBeatz

    Physics: Post your doubts here!

    isnt work done the whole area under graph?
  6. ShreeyaBeatz

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w07_qp_1.pdf In question 20, why is the answer A isnt it the whole area of graph ie C ?
  7. ShreeyaBeatz

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s07_qp_1.pdf question 40!
  8. ShreeyaBeatz

    Physics: Post your doubts here!

    In 14, why is it B why not A?? And using the method you mentioned in Qno. 35 please solve - http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s06_qp_1.pdf question 33 it doesnt seem to work Thank you :)
  9. ShreeyaBeatz

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s13_qp_11.pdf Q.No. 17, 14, 35,39 and 37 Someone please
  10. ShreeyaBeatz

    You or me ? :P

    You or me ? :P
  11. ShreeyaBeatz

    Physics: Post your doubts here!

    Which property of a metal wire depends on its Young modulus? A ductility B elastic limit C spring constant D ultimate tensile stress
  12. ShreeyaBeatz

    Physics: Post your doubts here!

    No it doesnt. But most cases it is the larger one
  13. ShreeyaBeatz

    Physics: Post your doubts here!

    I made the language simple. Take a little bit more time. step 1 and 2 you dont have to worry. It will already be in your previous answers. they will also make you find k1 and k2, in the previous question. now just simply put (suppose you got 20%) Solve k1+ (20%of k1) = solve k1- (20% of k1)=...
  14. ShreeyaBeatz

    Physics: Post your doubts here!

    Simple as this: 1)You are asked to find out the %uncertainty of(say x) in the one of the question 2)you are also asked to find two values of k (k1 and k2) in one of the question Now, suppose you got %uncertainty of x as 20%. Then you find k1+ 20% of k1 AND k1-20% of k1 This is the range If...
  15. ShreeyaBeatz

    Have the courage to trust love one more time, and always one more time.

    Have the courage to trust love one more time, and always one more time.
  16. ShreeyaBeatz

    Physics: Post your doubts here!

    T Look at the line which you said: Putting these in the equation, we get ρ = R * 1 m^2/1 m = R So ρ = R wont ρ =Rm?
  17. ShreeyaBeatz

    Physics: Post your doubts here!

    Sagar could you like help a bit on my post? Thank you :)
  18. ShreeyaBeatz

    Physics: Post your doubts here!

    Which statement about electrical resistivity is correct? A The resistivity of a material is numerically equal to the resistance in ohms of a cube of that material, the cube being of side length one metre and the resistance being measured between opposite faces. B The resistivity of a material is...
  19. ShreeyaBeatz

    Physics: Post your doubts here!

    Since it is asked for an elastic collision, remember: speed of approach= speed of separation Again, look here : This is a similar concept!!! A simple question! Now put the values of your velocities and see whether speed of approach= Speed of seperation. If they both are equal it is elastic. I...
  20. ShreeyaBeatz

    Physics: Post your doubts here!

    PLEASE HELP!! A ball is thrown horizontally in still air from the top of a very tall building. The ball is affected by air resistance. What happens to the horizontal and to the vertical components of the ball’s velocity? MARKSCHEME SAYS: horizontal component of velocity decreases to zero...
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