A body executing S.H.M.along a straight line has a velocity of 3msâ»Âč when it is at a distance of 4m from its mean position and4msâ»Âč when it is at a distance of 3m from its mean position.Its angular frequency and amplitude are
A. 2radsâ»Âč&5m
B. 1radsâ»Âč&10m
C. 2radsâ»Âč&10m
D. 1radsâ»Âč&5m