Relax

Respuesta :

Answer:

the velocity is 10 m/s

Explanation:

Using the expression for kinetic energy we have:

[tex]Ek=\frac{1}{2} *m*v^{2} \\\\Ek=100J\\m=2kg\\v=\sqrt{(2*100/2)}\\ v=10[m/s][/tex]

Answer:

10 m

Explanation: