A body of mass 5kg is acted upon by two perpendicular force 8N and 6N, find the magnitude and direction the acceleration
A. `3 ms^(-2), theta=cos^(-1)(0.8) " from "8 m`
B. `2 ms^(-2), theta=cos^(-1)(0.6) " from "6 m`
C. `3 ms^(-2), theta=cos^(-1)(0.9) " from "6 m`
D. `5 ms^(-2), theta=cos^(-1)(0.81) " from "8 m`