The motion of a mass on a spring, with spring constant K is as shown in figure. The equation of motion is given by x(t) = 4 sin Suppose that at time t = 0, the position of mass is x(0) and velocity then its displacement can also be represented as x(t) = C cos where C and are:
The motion of a mass on a spring, with spring constant K is as shown in figure. The equation of motion is given by x(t) = 4 sin Suppose that at time t = 0, the position of mass is x(0) and velocity then its displacement can also be represented as x(t) = C cos where C and are:
x (t) = A sin t + B cos
At t = 0:
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Then,
Given mg = kL
∴ Iα = (kLθ.L + k (L/2)²θ - mg (L/2)θ)
(mL²/3)α = kL² (3/4)θ (restoring torque)
α = (9k/4m)θ
∴ ω = (3/2)√ (k/m)
y = A sin (2πt/T)
t? - t? = (T/2π) [sin? ¹ (x? /A) - sin? ¹ (x? /A)]
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Physics Oscillations 2025
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