Three masses 
, and 400 g are suspended at the end of a spring, as shown, and are in equilibrium. When the 700 g mass is removed, the system oscillates with a period of 3 s when the 500 g mass is also removed, it will oscillate with a period of
A
1 s
B
2 s
C
3 s
D
Text Solution
Verified by ExpertsThe correct answer is:
B
= 
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