Respuesta :

Answer:200j

Explanation:

mass(m)=1kg

Velocity(v)=20m/s

Kinetic energy=(m x v^2) ➗ 2

Kinetic energy =(1 x 20^2) ➗ 2

Kinetic energy=(1 x 20 x 20) ➗ 2

Kinetic energy=400 ➗ 2

Kinetic energy =200j