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A block of mass m is at rest on the anot...

A block of mass m is at rest on the another blcok of same mass as shown in figure. Lower block is attached to the spring then the maximum amplitude of motion so that both the blcok will remain in contact is

Text Solution

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The blocks will remain in contact till the blocks do not go above the natural length of the spring, because after this condition the deceleration of lower block becomes more then upper block due to spring force. So they will get seprated.
So maximum possible amplitude `= x_(0) = (2mg)/(k)`
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