alleryA particle's SHM is described by x = 3 sin(ωt) + 4 cos(ωt). Amplitude of resulting SHM:
A4
B5
C3
D7
Answer & Solution
Correct answer: B. 5
For a sin(ωt) + b cos(ωt) = R sin(ωt + φ) where R = √(a² + b²) = √(9 + 16) = 5. Combined amplitude is 5.
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