Question #817a2 Physics Work and Energy Energy 1 Answer MeneerNask Mar 27, 2017 Kinetic energy #E_("kin")=1/2mv^2# Explanation: Where #E_("kin")# in Joules, mass #m# in kg, speed #v# in m/s. (remember 1 ton = 1000 kg). #E_("kin")=1/2*1000kg*(15m//s)^2=112,500J=112,5kJ# 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 1328 views around the world You can reuse this answer Creative Commons License