A long elastic spring is stretched by 2 cm and its potential energy is U. If the spring is stretched by 10 cm, the PE will be A long elastic spring is stretched by 2 cm and its potential energy is U. If the spring is stretched by 10 cm the PE will be October 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related