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  1. ShreeyaBeatz

    Physics: Post your doubts here!

    This is of paper 5 when we throw a magnet in a vertical coil , how to make the speed uniform in all parts of its vertical motion? The markscheme says - 1.Use of short magnet so that v is (nearly) constant 2. Use short/thin coil so that v is (nearly) constant WHY? HOW?
  2. ShreeyaBeatz

    Physics: Post your doubts here!

    Always use raw And please do help with my question! thanks
  3. ShreeyaBeatz

    Physics: Post your doubts here!

    This is of paper 5 when we throw a magnet in a vertical coil , how to make the speed uniform in all parts of its vertical motion? The markscheme says - 1.Use of short magnet so that v is (nearly) constant 2. Use short/thin coil so that v is (nearly) constant WHY? HOW?
  4. ShreeyaBeatz

    Physics: Post your doubts here!

    By P=( V^2/ R) if R is zero, how is V zero? It should be infinity right? :(
  5. ShreeyaBeatz

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_w11_qp_21.pdf sorry this is an AS level question just misread site :)
  6. ShreeyaBeatz

    Physics: Post your doubts here!

    It feels less influence of that positive charge Farther away= less repulsion help appreciated if u explain my question :)
  7. ShreeyaBeatz

    Physics: Post your doubts here!

    Then the question i've posted has only series not parallel how to solve ? http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_w11_qp_41.pdf
  8. ShreeyaBeatz

    Physics: Post your doubts here!

    Ex exactly my question was this too! plz explain me i didnt understand :( the question is in 5 d http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_w11_qp_41.pdf :)
  9. ShreeyaBeatz

    Physics: Post your doubts here!

    B would be a bit straighter :) btw, please help me on my question!
  10. ShreeyaBeatz

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_w11_qp_21.pdf Please explain me 5(d) The zero resistance and infinite resistance question Thank you
  11. ShreeyaBeatz

    Physics: Post your doubts here!

    People, Tell me how to find the minimum pd here: A cell of e.m.f. 2.0 V and negligible internal resistance is connected to a variable resistor R and a metal wire, The wire is 900 mm long and has an area of cross-section of 1.3 × 10–7 m2. The resistance of the wire is 3.4 Ω.The resistance of R...
  12. ShreeyaBeatz

    Happy Year of the Horse

    Happy Year of the Horse
  13. ShreeyaBeatz

    Physics: Post your doubts here!

    Please explain me: What happens when- 1.The width of each slit is increased but the separation remains constant. 2. seperation of the slits is increased
  14. ShreeyaBeatz

    Physics: Post your doubts here!

    And yes the force in (d).i. is 75N.
  15. ShreeyaBeatz

    Physics: Post your doubts here!

    Hey someone help me on this. We all know Power= Fv . The driving force and resistive forces are given. So isn't the F in power= Driving Force-Resistive force? why in the markscheme is it given F= driving+resistive force. I've attached the question for your easiness! The force in (d).i. is 75N :)
  16. ShreeyaBeatz

    Mathematics: Post your doubts here!

    Hello mate The exact question(7) of this O/N 2005 was: " 2x^3 + x^2 + 25 = 0 has one real root and two complex roots. verify that 1+2i is one of the complex roots" yes, I know how to verify. But instead if the question was asked "what are the complex and real roots of this equation?" Then...
  17. ShreeyaBeatz

    Mathematics: Post your doubts here!

    how to find the roots. I have pasted question for your easiness Please help
  18. ShreeyaBeatz

    Mathematics: Post your doubts here!

    Ahmed help me on this ! PLEASE
  19. ShreeyaBeatz

    Mathematics: Post your doubts here!

    Guys I need help on this!
  20. ShreeyaBeatz

    Maths P3 help!!

    Guys im stuck here. Please help me. For your easiness I've attached the picture of the question!!
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