The figure below shows a mobility Nyquist plot representing the response of a single mode. The three black dots, correspond to frequencies, 500/5Tradis 10ads and W 51/5rad/s, and the two angles are 8 1/3mrad and @gm1/3mad. The point a labelled on the real axis, has the value A Find a/m, whereas the modal participation and is the modal mass Express your answer to two decimal places.