The potential energy of a particle of mass 2 kg oscillating on x-axis is given as U= (x - 2)2 – 10 Here, U is in joule and x in metre. The total energy of the oscillation is 26 J. The maximum speed of the particle is:
a) 4 m/s
b) 8 m/s
c) 6 m/s
d) 13 m/s