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970
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57
Joined:
December 21, 2007
Last Sign In:
5 months ago
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education,physics
Country:
Thailand
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sathapornprom uploaded a new video
physicsmatayom
wave addition1_ysin201mov_gif 1.y1=r1*sin(theta+phase1) 2.y2=r2*sin(yheya+phase2) 3.y3=y1+y2=r3*sin(theta+phase3) 4.r3x=r1*cos(phase1)+r2... more |
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