What is the kinetic energy of an object with a mass of # 16 kg# that has been in freefall for # 6 s#? Physics Work and Energy Energy 1 Answer ali ergin Nov 1, 2016 #E_k=27715.9968" Joules"# Explanation: #v=g*t# #v:"velocity of object for t=6 "# #g:"acceleration of gravity g=9.81 "m/s^2# #v=9.81*6=58.86" "m/s# #"The kinetic energy of an object is calculated by :"E_k=1/2*m*v^2# #m:"mass of object"# #v:"velocity of object"# #E_k:"The kinetic energy of object"# #E_k= 1/cancel(2) * cancel(16)*(58.86)^2# #E_k=8*3464.4996# #E_k=27715.9968" Joules"# 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 1221 views around the world You can reuse this answer Creative Commons License