How do you find the mass if they give you the joules and the velocity? Please help me! I'm really confused...
I guess the energy is all kinetic here?
(1/2) m v^2 = Energy in JOules
so
m = 2*joules of energy / v^2
(1/2) m v^2 = Energy in JOules
so
m = 2*joules of energy / v^2