Respuesta :

Answer:944.4kg

Explanation:

velocity(v)=30m/s

Kinetic energy(ke)=425000 joules

Mass=(2 x ke) ➗ (v x v)

Mass=(2 x 425000) ➗ (30 x 30)

Mass=850000 ➗ 900

Mass=944.4

Mass=944.4kg