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Question

A particle of mass 10 g is placed in potential field, given by V=(50x2+100)erg/g. What will be frequency of oscillation of particle?

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Solution

Formula,

d2xdt2+w2x=0........A

Given,

V=(50x2+100)

U=10(50x2+100)

F=dUdx=1000x.......(1)

F=mass×acceleraion

F=10d2xdt2..........(2)

From (1) and (2), we have,

1000x=10d2xdt2

d2xdt2+100x=0

From A,

w2=100

n=w2π=1002π=1.59Hz

Hence the frequency of oscillation of particle.

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