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Type: Posts; User: Rubentheran

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  1. Thermodynamics on mass flow rate and temperature (Updated)

    Hi guys. I am trying this question for 2 days.I managed to solve the second question but the 2nd question I don't know.Can someone help me out.If possible please really really guide me the steps for...
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    Comment on jcaron2's post

    Thank you very much jcaron2. I really appreciate what you say. I will think about it about your opinion. By the way, I really want to thank you for your advice and concern
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    4,123

    Mechanical Vs Civil Engineering

    Hello guys. I just finished my foundation of studies and now I'm going to persuade degree now.Before I persuade can someone tell me which career is suitable for my me. I have interest in Maths and...
  4. computer programming C++. Can someone help me out

    Write a C program
    that initializes 5x3 array in which the first element of each row contains a number, the
    second element contains its square and third element contains its cube. Prompt the user to...
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    Comment on BK201's post

    Thanks buddy it helps me
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    1,704

    Engineering Drawing.Need Help!!

    Can someone get me a sketch on this drawing.I really need help.I just need rough sketch for this drawing from you guys.Just top view, front view and left view.
    The question is in the...
  7. Computer programming in factorial.Need help

    Question is in attachment because I can't post the image here.The question is in the attachment.Currently, I don't know how to start because its very difficult.I even studied the textbook and...
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    Comment on ebaines's post

    Oh yeah I mistakely wrote it.thanks for the teaching by the way
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    564

    Relative motion

    Question : A ship is sailing 45m/s due south-east, while the wind speed is 20m/s from west.Find the magnitude and the direction of the wind velocity relative to the ship

    Answer given is 33.94 m/s...
  10. Question: Capacitance

    by Rubentheran
    Answers
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    1,167

    Thanks jcaron2.you really help me out

    Thanks jcaron2.you really help me out
  11. Question: Capacitance

    by Rubentheran
    Answers
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    1,167

    Capacitance

    5.a) Two capacitors , C1 = 3 F and C2=6 F , are connected in series and charged by connecting a battery of voltage V=10V in series with them. They are then disconnected from the battery, and the...
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    Comment on Unknown008's post

    Thank you very much Unknown008
  13. Answers
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    594

    Comment on jcaron2's post

    Thank you very much jcaron2
  14. Answers
    4
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    594

    MOMENTUM.Need Help!!

    I know how to do this question but just I cannot understand about the question asking 4kg ball. The question is " A 2 kg ball moving at 7m/s strikes a 1 kg ball at rest.The 2kg ball continues to move...
  15. Question: Momentum

    by Rubentheran
    Answers
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    442

    MOMENTUM

    I know how to do this question but just I cannot understand about the question asking 4kg ball. The question is " A 2 kg ball moving at 7m/s strikes a 1 kg ball at rest.The 2kg ball continues to move...
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    Comment on jcaron2's post

    So which want is the answer sir for my question.Is it 8x-3y+4z =0 ? Is this correct ?
  17. Answers
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    486

    Vectors! I need Help

    Given two vectors A and B where A=-5i+3j-k and B=8i-3j+4k.
    Find

    1)(A-2b).3k
    2)the direction of cosines of A
    3)vector projection of A on B
    4)the equation of plane perpendicular to B

    I know...
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    Electrostatic Force

    Three charges are placed at three corners of a square as shown in Figure 5. Find the electric field strength at point A.

    Given answer is 8.23x10^5 N/C and makes an angle 45 degree below...
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    Physics.Electrostatic Force

    Three charges are placed at three corners of a square as shown in Figure 5. Find the electric field strength at point A.

    Given answer is 8.23x10^5 N/C and makes an angle 45 degree below...
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    779

    Physics! Force.Help

    1.Three +20 uC charges are placed on a straight line, successive charges being 2 m apart as shown in Figure 1.Calculate the force on the right end.

    I couldn't get the answer right.I got 10,000 N...
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    Comment on DrBob1's post

    But I don't know how to draw the structure.Can you give a full solution of the drawing so that I will able to do the rest of the questions by using your solution as reference.thanks.Please sir
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    But I don't know how to draw the structure.Can...

    But I don't know how to draw the structure.Can you give a full solution of the drawing so that I will able to do the rest of the questions by using your solution as reference.thanks
  23. Answers
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    3,292

    Chemistry Help

    1.Write the Lewis dot symbols of the reactants and products in the following reactions

    Ca + H2 ----> CaH2

    2.For each of the following pairs of elements, state whether the binary compound they...
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    physical optics

    1.Blue light with a wavelength of 440 nm is used in a double slits are 0.50 mm apart. If the screen is 1.5 m from the slits, what is the angular separation of the first-order bright fringes?
    ...
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    Physics help! Sound Intensity

    1.A speaker is placed between two observers who are 110 m apart, along the line connecting them. If one observer records an intensity level of 80 dB, how far is the speaker from each observer ?
    ...
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    Physics:Intensity

    17.Two sources have sound levels of 75 dB and 80 dB. If they are sounding simultaneously, what is the combined sound level ?

    Ans:81.2 db

    How am I supposed to this? What is the formula.I really...
  27. Comment on jcaron2's post

    Thanks jcaron2 for your answers for the 3 questions.It really helps me.Thanks.By the way that day I couldn't say thanks bcoz I slept off.Sorry.By the way thank you very much.
  28. Comment on Unknown008's post

    Thanks Master
  29. Physics Help!Determining highest frequency

    5.For the arrangement shown in Figure 2, let the path length r1 = 1.20 m and the path length r2 = 0.80 m.

    a)What is the highest frequency within the audible range (20 – 20000 Hz) that will...
  30. Sound Waves.Help! I need someone to guide me

    Two speakers are driven by a common oscillator at 800 Hz and face each other at a distance of 1.25 m. Locate the points along a line joining the two speakers where relative minima would be...
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    Comment on ebaines's post

    Thanks
  32. Question: Sound Waves

    by Rubentheran
    Answers
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    665

    Sound Waves

    4.Two speakers are driven by the same oscillator of frequency 200 Hz. They are located on a vertical pole a distance of 4.00 m from each other. A man walks toward one of the speakers in a direction...
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    Comment on ebaines's post

    How to do it?
  34. Answers
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    Physics questions

    A helicopter drops a paratrooper carrying a buzzer that emits a 500 Hz signal. A sound receiver on the plane monitors the signal as the paratrooper falls. If the perceived frequency becomes constant...
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