A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a
Channel: Ritesh Dahiya (RD Sir) (KDC) Kota Doubt Counter
Date: 2020-08-25

A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value k. The mass is released from rest with the spring initially unstretched. The maximum extension produced in the length of the spring will be (NEET 2009)
(a) 2 Mg / k
(b) 4 Mg / k
(c) Mg / 2k
(d) Mg / k

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