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Question

How does the speed and magnitude of acceleration change, when a particle performing simple harmonic motion moves from mean position to one of its extreme positions ?


A
Speed increases, magnitude of acceleration decreases 
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B
Speed decreases, magnitude of acceleration increases 
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C
Speed increases, magnitude of acceleration increases 
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D
Speed decreases, magnitude of acceleration decreases 
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Solution

The correct option is D Speed decreases, magnitude of acceleration increases 

As the particle goes from mean position to extreme position, its speed decreases and magnitude of acceleration increases.
|v| is maximum at mean position and zero at extremes.
|a| is maximum at extreme positions and zero at mean position.

Physics

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