The string between block of mass m and 2m is massless and inextensible. The system is suspended by
a massless spring as shown. If the string is cut, find the magnitude of acceleration of mass 2m and m
(immediately after cutting)
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Immediately after cutting , the below mass m will be free falling. so the acceleration of mass m is g. But mass 2m goes to upward direction.
for mass 2m , 2ma=2mg−mg=mg
a=2g
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