What is the kinetic energy of a #15 kg# object moving at #7 m/s#? Physics Work and Energy Energy 1 Answer ali ergin Mar 28, 2016 #E_k=367,5" J"# Explanation: #"The kinetic energy of an object is given as "E_k=1/2.m*v^2# #m: "mass of object"# #v:" speed of object"# #E_k=1/2*15*7^2# #E_k=1/2*15*49# #E_k=367,5" J"# 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 3111 views around the world You can reuse this answer Creative Commons License