what is the kinetic energy of a zorb and human with a total mass of 90kg rolling at 10m/s? 900j 4,500j…

what is the kinetic energy of a zorb and human with a total mass of 90kg rolling at 10m/s? 900j 4,500j 3,700j 6,500j

what is the kinetic energy of a zorb and human with a total mass of 90kg rolling at 10m/s? 900j 4,500j 3,700j 6,500j