Q81. If the elastic potential energy stored in a spring is U when it is compressed by 4 cm, what is the stored elastic potential energy when it is compressed by 20 cm?Physics — Nust Mock By Dogers 1 — Question 81 of 200A. 20UB. 25UC. 30UD. 35UPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →