JAMB Physics 1985 Question 7

A block of mass 2.0 kg resting on a smooth horizontal plane is acted upon simultaneously by two forces, 10 N due North and 10 N due East. The magnitude of the acceleration produced by the forces on the block is

1. A.0.10 m s⁻²
2. B.7.05 m s⁻²
3. C.10.00 m s⁻²
4. D.14.10 m s⁻²
5. E.20.00 m s⁻²