On a smooth inclined plane, a body of mass M is attached b€tween two springs. The other ends of the springs are fixed to firm supports. If each spring has force constant k, the period of oscillation of the body (assuming the springs as mass less) is
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a
2π(M/2k)1/2
b
2π(2M/k)1/2
c
2π(Mgsinθ/2k]
d
2π[2Mg/k]1/2
answer is A.
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Detailed Solution
The spring constant is 2 ft and slope is irrelevant. Hence T=2π(M/2k)