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YumYum247

  • one year ago

yelp!!!!!!!!!

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  1. YumYum247
    • one year ago
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    @dan815 could you plz give me a quick tuition on this topic, i'm really struggling here :(

  2. YumYum247
    • one year ago
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    @abb0t can you please help me????

  3. YumYum247
    • one year ago
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    ok i need to learn from the ABC for the concept!!!

  4. YumYum247
    • one year ago
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    ok so i know that when two waves interfere with each other they produce either, constructive waves if the waves are over the equilibrim or destructive waves if under the equilibrium.

  5. nincompoop
    • one year ago
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    partial too

  6. YumYum247
    • one year ago
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    the only thing i'm struggling to understand is that fact that how do i know what shape the two waves will produce when collide with each other....like how do i do my calculations??

  7. nincompoop
    • one year ago
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    depending how the waves interacted and waves can vary in energy too

  8. YumYum247
    • one year ago
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    there is no concept of energy here, just the types of collisions and what shape it'll produce and in what direction!!!

  9. nincompoop
    • one year ago
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    but not all waves are the same nor collide in two manners only

  10. YumYum247
    • one year ago
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    but what is for sure is that fact that there are only two options given to me so therefore all the questions are related to either constructive or destructive waves.....btw how do i calculate the resultant displacement of the two waves...

  11. YumYum247
    • one year ago
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    could you please do a quick drawing of at least one of the examples?!?!!??!

  12. YumYum247
    • one year ago
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    any idea????????????????

  13. YumYum247
    • one year ago
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    @peachpi please help me

  14. anonymous
    • one year ago
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    I know this is generally more complex, but do they maybe just want you to add/subtract here?

  15. anonymous
    • one year ago
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    http://www.physicsclassroom.com/class/waves/Lesson-3/Interference-of-Waves superposition drawing near bottom

  16. YumYum247
    • one year ago
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    yes but since these are "shapes", i'm struggling to understand how do i calculate the resultant displacement. i know the first one is construction and the second one is neither construction or destruction, i'll be a wave since crest and trough cancel out each other.

  17. dan815
    • one year ago
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    do you still need help?

  18. YumYum247
    • one year ago
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    yus please!!

  19. dan815
    • one year ago
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    is it that same picture up at the top

  20. YumYum247
    • one year ago
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    yes the picture at the top is the qestion, how do i calculate the resultant displacement in figure 1.

  21. YumYum247
    • one year ago
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    i know when two waves interact with each other, the form a superposition where the crest of both waves are combined but how do i put that into a mathematical form?!?!?!?!

  22. dan815
    • one year ago
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    okay now linear Superposition principle can be summarized byt this equation f(x+y)=f(x)+f(y) we say such an equation follows the principle of Lin sup pos

  23. YumYum247
    • one year ago
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    can you please just do one question in drawing?!?!?!!? i'll do the rest.

  24. dan815
    • one year ago
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    um okay so its not exactly the crests that are combines its all the heights everywhere

  25. YumYum247
    • one year ago
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    interesting please go on!!!

  26. dan815
    • one year ago
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    |dw:1436150952876:dw|

  27. YumYum247
    • one year ago
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    in this case it'll be zero since A = highest - lowest /2

  28. dan815
    • one year ago
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    |dw:1436151013791:dw|

  29. YumYum247
    • one year ago
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    how tho?????? :O

  30. dan815
    • one year ago
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    okay what we do is look at every x values and add the 2 heights there

  31. YumYum247
    • one year ago
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    ok so do we come up with our own numbers here to calculate eveything

  32. dan815
    • one year ago
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    |dw:1436151217242:dw|

  33. YumYum247
    • one year ago
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    i thought crest would cancel out trough and the remaining (rectangle) would continue to move in the right direction.

  34. dan815
    • one year ago
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    brb

  35. dan815
    • one year ago
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    ok back

  36. YumYum247
    • one year ago
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    Awwwnnnn!!!! |dw:1436162165903:dw|

  37. dan815
    • one year ago
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    how come yours is different from the picture

  38. YumYum247
    • one year ago
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    ok assume that the rectangle is touching the sin wave...sorry my bad.

  39. dan815
    • one year ago
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    |dw:1436151592824:dw|

  40. dan815
    • one year ago
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    we add 1 to everywhere on that wave

  41. YumYum247
    • one year ago
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    ok so to do my calculations, do i just make up my own numbers, i mean height

  42. dan815
    • one year ago
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    ill draw on the pic

  43. YumYum247
    • one year ago
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    ok please slow down for a sec.

  44. dan815
    • one year ago
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    http://prntscr.com/7pad48

  45. YumYum247
    • one year ago
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    please answer my questions before you proceed with the qestion.....i want to clearfy everything first.

  46. dan815
    • one year ago
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    ok what

  47. YumYum247
    • one year ago
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    so to do all the calclations, do i make up my own numbers, i mean when i draw those diagrams on the graph, to calculate the dispalcement???

  48. dan815
    • one year ago
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    well they gave u only pictures so answer with a picture

  49. YumYum247
    • one year ago
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    and please tell me the main rule/ recipe

  50. YumYum247
    • one year ago
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    but the picture is not on scale.

  51. dan815
    • one year ago
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    so

  52. YumYum247
    • one year ago
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    ok so that means we don't need to draw it on the graph paper????

  53. dan815
    • one year ago
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    i dont know

  54. YumYum247
    • one year ago
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    can you solce without the need of graph paper????

  55. YumYum247
    • one year ago
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    solve

  56. dan815
    • one year ago
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    okay main thing is the form is this f(x)= k + k*sin(x)

  57. YumYum247
    • one year ago
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    ok

  58. dan815
    • one year ago
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    you are adding to like a sin(x) looking wave

  59. dan815
    • one year ago
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    its not really a sine wave, just making that up

  60. YumYum247
    • one year ago
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    ok so how do we utilize the equation to find the displaceent

  61. YumYum247
    • one year ago
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    @dan815 ok so i add 1 and then what?

  62. dan815
    • one year ago
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    hi

  63. YumYum247
    • one year ago
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    hi :)

  64. dan815
    • one year ago
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    lol

  65. dan815
    • one year ago
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    lets start over

  66. YumYum247
    • one year ago
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    please!!!

  67. YumYum247
    • one year ago
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    :)

  68. dan815
    • one year ago
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    |dw:1436152421672:dw|

  69. YumYum247
    • one year ago
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    ok.

  70. dan815
    • one year ago
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    |dw:1436152449162:dw|

  71. YumYum247
    • one year ago
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    ok i see.

  72. dan815
    • one year ago
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    |dw:1436152521293:dw|

  73. YumYum247
    • one year ago
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    but how do you know how high is that???? since there are no numbers given

  74. dan815
    • one year ago
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    we dont

  75. YumYum247
    • one year ago
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    ok cool....next!!!

  76. YumYum247
    • one year ago
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    ok so you brought everything on the positive side of the equilibrium....nice!!

  77. YumYum247
    • one year ago
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    by adding 1

  78. dan815
    • one year ago
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    there are no numbers

  79. YumYum247
    • one year ago
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    ok i see.

  80. YumYum247
    • one year ago
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    ok what's next.

  81. dan815
    • one year ago
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    u tell me

  82. YumYum247
    • one year ago
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    honestly if i knew i'dn't be here. but give me some time to take a guess!!!

  83. YumYum247
    • one year ago
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    you add crest of both waves!!!

  84. dan815
    • one year ago
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    the question is done

  85. YumYum247
    • one year ago
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    but the question asks me to "determine the resultant wave" so what do i say?!?!?!?

  86. dan815
    • one year ago
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    |dw:1436152891797:dw|

  87. YumYum247
    • one year ago
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    btw how would the final wave look like if we're to actually draw the resultant wave!!

  88. YumYum247
    • one year ago
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    what happened to the green magenta rectangle, weren't you suppose to add that height as well.

  89. YumYum247
    • one year ago
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    because the rule says, when two waves collide, they make constructive wave!!!

  90. dan815
    • one year ago
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    |dw:1436153051159:dw|

  91. YumYum247
    • one year ago
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    OMG i kinda understood what you did there.....!!!

  92. YumYum247
    • one year ago
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    ok i got it......!!!

  93. YumYum247
    • one year ago
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    ok so what would happen to the first one?!???!

  94. YumYum247
    • one year ago
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    since both are on the positive side of the equilibrium......do you just stack the inner box on the outer box?!?!?!?! yes i think SO

  95. YumYum247
    • one year ago
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    @dan815 please check if i did that right?!?!?!?

  96. dan815
    • one year ago
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    ill give u a problem do it to the best of your ability

  97. YumYum247
    • one year ago
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    so for the first question do you just stack the inner black box on top of the dotted box?!?!?!

  98. dan815
    • one year ago
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    |dw:1436153397371:dw|

  99. dan815
    • one year ago
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    what is the result of these 2?

  100. YumYum247
    • one year ago
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    wait is that a V or a triangle?!?!?!?

  101. dan815
    • one year ago
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    okay try another one

  102. dan815
    • one year ago
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    |dw:1436153559275:dw|

  103. dan815
    • one year ago
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    |dw:1436153620648:dw|

  104. dan815
    • one year ago
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    |dw:1436153640721:dw|

  105. YumYum247
    • one year ago
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    hold on damn it... let me think :"D LOL

  106. YumYum247
    • one year ago
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    ok so for this, you add 1 to the "U" thing to create a constructive wave, so i'll be on top of that weird figure.|dw:1436164542171:dw|

  107. YumYum247
    • one year ago
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    |dw:1436164670586:dw| you add 1

  108. YumYum247
    • one year ago
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    |dw:1436164695260:dw|you add 1 LOL

  109. YumYum247
    • one year ago
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    |dw:1436164718280:dw|you add 1

  110. YumYum247
    • one year ago
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    @dan815 All done!!!! :"D

  111. YumYum247
    • one year ago
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    can't believe i spent an entire day on this silly concept!!! Thanks you and Love you to death for helping me out. GOD BLESS YOU.

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