Find the maximum acceleration of a block which is oscillating with frequency 2 Hz and amplitude 50 cm.
78.8m/s2
The acceleration of the block under oscillation is given by
a=ω2x
a will be max when x is max, i.e. at A
amax=ω2A=4π2f2A
=4×9.86×4×0.5=78.8m/s2