Respuesta :

Answer:

4500J

Explanation:

Kinetic energy = 1/2 Mv^2

M = mass

V = velocity

Given M = 10kg and

v = 30m/s

Kinetic energy = 1/2 x 10 x 30^2

1/2 x 10 x 30x30

1/2 x 10 x 900

9000/2

4500J