What is the gravitational potential energy of a # 7 kg# object on a shelf # 3/4 m # high? Physics Work and Energy Energy 1 Answer Trevor Ryan. Jan 20, 2016 #51.45J# Explanation: #E_p=mgh# #=7xx9.8xx3/4# #=51.45J# Answer link Related questions How do matter and energy interact? Question #50ca2 Question #242cf Question #5038d Question #50391 What is potential energy? Question #d6576 Question #50cae Question #50cb2 Question #50cb6 See all questions in Energy Impact of this question 1250 views around the world You can reuse this answer Creative Commons License