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Grade 11AIIMS MBBS

A particle moves in the X-Y plane according to the equation
r = (i + 2j)A•cosωt
Find the amplitude of the motion of the particle.

Profile image of Abhishek Dogra
7 Years agoGrade 11
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1 Answer

Profile image of Shivansh
7 Years ago
Amplitude will be sqrt(5)*A

that is because magnitude of i+2j is sqrt(5)

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