The velocity of a body moving in a straight line is given by V = (3x2+ x)m/s. Find acceleration at x = 2m.
182 m/s2
172 m/s2
192 m/s2
162 m/s2
v=3x2+x∴v(u=2)=14ms−2dvdt=6x⋅dxdt+dxdt=6×2×14+14=168+14=182ms−2