Respuesta :

Chelboy

Answer:944.4kg

Explanation:

Kinetic energy(ke)=425000 joules

Velocity(v)=30m/s

Mass=(2 x ke) ➗(v x v)

Mass=(2 x 425000) ➗ (30 x 30)

Mass=(850000) ➗ 900

Mass=944.4

Mass=944.4kg