Physics-
General
Easy
Question
Two identical balls A and B each of mass 0.1 kg are attached to two identical massless springs. The spring mass system is constrained to move inside a rigid smooth pipe bent in the form of a circle as shown in the figure. The pipe is fixed in a horizontal plane. The centres of the balls can move in a circle of radius 0.06 m. Each spring has a natural length of 0.06p m and force constant 0.1N/m. Initially both the balls are displaced by an angle 
radian with respect to the diameter 
of the circle and released from rest. The frequency of oscillation of the ball B is
The correct answer is:
As here two masses are connected by two springs, this problem is equivalent to the oscillation of a reduced mass 
of a spring of effective spring constant.
Here 
Þ 
\ 
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