Q.

A block of 0.5kg is placed on a horizontal platform. The system is making vertical oscillations about a fixed point with a frequency of0.5Hz . Find the maximum amplitude of oscillation if the block is not to lose contact with the horizontal platform                                   

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a

0.6542m

b

0.852m

c

0.7428m

d

0.9927m

answer is B.

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Detailed Solution

ω=2πf=2×3.14×0.5=3.14

mω2A=mg

A=gω2=9.8(3.14)2

A=0.9927m

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A block of 0.5 kg is placed on a horizontal platform. The system is making vertical oscillations about a fixed point with a frequency of0.5 Hz . Find the maximum amplitude of oscillation if the block is not to lose contact with the horizontal platform