What is the kinetic energy of a 1-kilogram ball thrown into the air with an initial velocity of 30m/sec?
Not a Physics person, but I believe we have:
KE = (1/2) MV2 = (1/2)( 1 kg) (30m/s)2 = 450 kg * m^2 / s^2 = 450 Joules
You were the first one to post all day
