Respuesta :

6Kg. A stone with a net force of 30N and an acceleration of 5 m/s² has a mass of 6Kg.

The key to solve this problem is using Newton's Second Law F = m.a

Clear m for the equation:

m = F/a

Solving with F = 30N, and a = 5 m/s²

m = 30N/5m/s²

m = 6Kg