A 20 kg block attached to a string of spring constant 5 N/m is released from rest at A. The spring at this instant is having an elongation of 1 m. The block is allowed to move in smooth horizontal A 20 kg block attached to a string of spring constant 5 N/m is released from rest at A. The spring at this instant is having an elongation of 1 m. The block is allowed to move in smooth horizontal October 4, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related