Recent content by Himura Kenshin

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    How Do You Find Tangent Lines to a Parabola Through a Given Point?

    This is differentiation, you have dy/dx =2x+1.then substitute the x=2 in the dy/dx,then you will find that dy/dx =5(that is the gradient of the tangent) y-(-3) =3(x-2) y+3 = 3x-6 y= 3x-9 (equation of the tangent) The othe equation you...
  2. H

    Help with acceleration on incline

    Because coefficient of static friction=F x R(normal reaction),hence 0.7=F x mg Force = 0.7/mg =0.055 N You say the plane is accelerating to the...
  3. H

    Rotating Wedge & Rise of Mass: Speed Calculation

    Where you get the equation m(v^2/r)=mgsin0. I have search for many reference book but can't find this equation .Can you tell me ?
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    Question regarding sound waves

    Additional information on this question Sorry for not including the information you need. (Distance of speaker A from O is 3.0m and the distance of speaker B from O is 2.0m.Point C is horizontally at a distance of 4.0m from O) Thanks for giving help in this question.
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    Question regarding sound waves

    Question regarding on sound waves. -------------------------------------------------------------------------------- Hello,I just join in as member yesterday.Sorry to interrupt that I have question to ask.Here's the question. 1.Two small speakers emit sound waves of different...
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