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PhysicsSHMOscillations and SHMMedium2 min

PhysicsMediumsingle choice

$y = 4 cos (2 t) cos (3 t) sin (500 t)$ is a superposition of $n$ independent SHMs. Find $n$ .

Answer:

Solution:

$4 cos 2 t cos 3 t = 2 (cos 5 t + cos t)$ , and each times $sin 500 t$ gives two sines: $sin 505 t, sin 495 t, sin 501 t, sin 499 t$ . $n = 4$ .

Subject:PhysicsTopic:SHMSubtopic:Oscillations and SHM

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