Questions Answered

seidi.yamauti:
Group Title
An object with mass m1=4.00kg and a box with mass m2=5.00kg are attached by a wire (massless) that pass trough a sheave (negligible mass too…
 updated 2 years ago
 17 replies
 1 Medal

seidi.yamauti:
Group Title
Solve the wave equation [if someone can post the wave equation] by the separation of variables method (y(x,t)=X(x)T(t)) for the case of both…
 updated 2 years ago
 12 replies
 1 Medal

xxxtechmanxxx:
Group Title
MATRIX QUESTION
 updated 2 years ago
 12 replies
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seidi.yamauti:
Group Title
[linear algebra] <(x1,x2),(y1,y2)> = x1y1 + tx2y2
For which valor of t, it is an in internal (scalar) product?
 updated 2 years ago
 12 replies
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seidi.yamauti:
Group Title
An undamped oscillator of mass m and natural frequency Wo moves under the action of an external force F=Fo sin(wt). Starting from the equili…
 updated 2 years ago
 8 replies
 1 Medal

allyfranken:
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Unit vectors and are directed east and north, respectively. Calculate the unit vector (in terms of ihat and jhat) in the northeast directi…
 updated 2 years ago
 4 replies
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seidi.yamauti:
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An undated oscillator of mass m and natural frequency Wo moves under the action of an external force F=Fo sen(wt)! Starting from the equilib…
 updated 2 years ago
 11 replies
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seidi.yamauti:
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A little platform oscile with a frequency of 4hz and an amplitude of 7 cm, attached to a vertical spring. A small object is poised on the to…
 updated 2 years ago
 7 replies
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Thuru7:
Group Title
What are the basic elementary particles( Sub atomic) in physics?, according to general model?
 updated 2 years ago
 10 replies
 4 Medals

seidi.yamauti:
Group Title
It's been on the web since a while
48÷2(9+3)=?
…
 updated 2 years ago
 22 replies
 4 Medals

seidi.yamauti:
Group Title
There's a problem in Halliday I  chapter 1
In my book it's question 19 (but it's a brasillian version). I'll try to translate it from por…
 updated 2 years ago
 7 replies
 3 Medals

BubblesJB<3:
Group Title
Every known substance is made of one or more of the 112 elements found on the periodic table. True or False
 updated 2 years ago
 2 replies
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