1.

Acceleration of a particle a= -bx, where x is the displacement of particle from mean position and b is constant. What is the periodic time of oscillation ?

Answer»

`2pi SQRT(b)`
`(2pi)/(sqrt(b))`
`(2pi)/(b)`
`2 sqrt(((pi)/(b))`

SOLUTION :COMPARING `a= -kx` with `a= -omega^(2)x, omega^(2)= b`
`THEREFORE omega = sqrt(b)`
`therefore (2pi)/(T)= sqrt(b)`
`therefore T= (2pi)/(sqrt(b))`.


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