A block of mass is attached to a horizontal light spring of force constant and…

PHYSICS · Multi-part · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

A block of mass 0.50 kg0.50\,\text{kg} is attached to a horizontal light spring of force constant 200 N m−1200\,\text{N\,m}^{-1} and performs simple harmonic oscillations on a frictionless table. Answer the following questions related to the motion of the block: (i) Using appropriate physical reasoning, show that the time period of oscillation of the block does not depend on the amplitude of its motion. (ii) If the amplitude is increased from 0.040 m0.040\,\text{m} to 0.080 m0.080\,\text{m}, state with reasons whether (a) the time period and (b) the total mechanical energy of the system change, and if so, how.

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