What is the mass of a plane with 9500 J of kinetic energy traveling 600 m/s?

Jan 23, 2018

$K = m {v}^{2} / 2$.
Solving for $m$ we find
m=(2*K)/v^2 = (2*9500"J")/(600 "m/s")^2=(19000"J")/(360000"m"^2/"s"^2)=0.026"kg".