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The displacement of a particle along the...

The displacement of a particle along the x- axis it given by `x = a sin^(2) omega t` The motion of the particle corresponds to

A

simple harmonic motion of frequency `omega t pi`

B

simple harmonic motion of frequency `3omega 2 pi`

C

simple harmonic motion

D

simple harmonic motion of frequency `omega//2 pi`

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The correct Answer is:
To determine whether the motion of a particle described by the displacement equation \( x = a \sin^2(\omega t) \) corresponds to simple harmonic motion (SHM), we need to analyze the relationship between displacement, velocity, and acceleration. ### Step-by-Step Solution 1. **Identify the Displacement Equation**: The displacement of the particle is given by: \[ x = a \sin^2(\omega t) \] 2. **Differentiate to Find Velocity**: To find the velocity \( v \), we differentiate the displacement \( x \) with respect to time \( t \): \[ v = \frac{dx}{dt} = \frac{d}{dt}(a \sin^2(\omega t)) \] Using the chain rule, we have: \[ v = a \cdot 2 \sin(\omega t) \cdot \cos(\omega t) \cdot \frac{d}{dt}(\omega t) \] This simplifies to: \[ v = 2a \sin(\omega t) \cos(\omega t) \cdot \omega \] Using the identity \( 2 \sin(\theta) \cos(\theta) = \sin(2\theta) \): \[ v = a \omega \sin(2\omega t) \] 3. **Differentiate to Find Acceleration**: Now, we differentiate the velocity \( v \) to find the acceleration \( a \): \[ a = \frac{dv}{dt} = \frac{d}{dt}(a \omega \sin(2\omega t)) \] Again applying the chain rule: \[ a = a \omega \cdot 2\cos(2\omega t) \cdot \frac{d}{dt}(2\omega t) \] This simplifies to: \[ a = 2a \omega^2 \cos(2\omega t) \] 4. **Check for Simple Harmonic Motion**: For motion to be classified as simple harmonic motion, the acceleration must be proportional to the negative of the displacement: \[ a = -\omega^2 x \] Here, we have: \[ a = 2a \omega^2 \cos(2\omega t) \] Since \( \cos(2\omega t) \) does not yield a direct proportionality to \( -x \) (which is \( -a \sin^2(\omega t) \)), the motion does not satisfy the criteria for SHM. 5. **Conclusion**: Therefore, the motion of the particle described by the equation \( x = a \sin^2(\omega t) \) does not correspond to simple harmonic motion. ### Final Answer: The motion of the particle corresponds to **non-simple harmonic motion**.

To determine whether the motion of a particle described by the displacement equation \( x = a \sin^2(\omega t) \) corresponds to simple harmonic motion (SHM), we need to analyze the relationship between displacement, velocity, and acceleration. ### Step-by-Step Solution 1. **Identify the Displacement Equation**: The displacement of the particle is given by: \[ x = a \sin^2(\omega t) ...
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