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Q. |
Which of the following functions represents a simple harmonic oscillation? |
A. | sinωt-cosωt |
B. | sinωt+sin2ωt |
C. | sinωt-sin2ωt |
D. | sin2 ωt |
Answer» A. sinωt-cosωt | |
Explanation: y=sinωt-cosωt dy/dt=ωcosωt+ωsinωt |
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