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A block is placed on a horizontal platform. The system is making horizontal oscillations about a fixed point with a frequency of 0.5Hz. The maximum amplitude of oscillation if the block is not to slide on the horizontal platform, is (Coefficient of friction between the block and the platform = 0.4)

a
0.3971m
b
0.4871m
c
0.2971m
d
0.5271m

detailed solution

Correct option is A

= KA

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