Respuesta :

Chelboy

Answer:√(5/3)m/s

Explanation:

Kinetic energy(ke)=15j

Mass(m)=18kg

Velocity(v)=?

Ke=(mxv^2)/2

15=(18xv^2)/2

Cross product

(18xv^2)=15x2

18xv^2=30

Divide both sides by 18

(18xv^2) ➗ 18=30 ➗ 18

v^2=5/3

v=√(5/3)

v=√(5/3)m/s

good job