(Solved): (a) Find the magnitude of the radial acceleration (in m/s2 ) for these positions. m/s2 (b) Find the ...

(a) Find the magnitude of the radial acceleration (in $\mathrm{m}/{\mathrm{s}}^2$ ) for these positions. $\mathrm{m}/{\mathrm{s}}^2$ (b) Find the magnitude of the tangential acceleration (in $\mathrm{m}/{\mathrm{s}}^2$ ) for these positions. $\mathrm{m}/{\mathrm{s}}^2$ (c) Draw a vector diagram to determine the direction of the total acceleration for these two positions. $?=90^{?}?=270^{?}$ $?=90^{?}?=270^{?}$ (i) (d) Calculate the magnitude (in $\mathrm{m}/{\mathrm{s}}^2$ ) and direction (in degrees above or below the horizontal) of the total acceleration. magnitude $\mathrm{m}/{\mathrm{s}}^2$ direction ? the horizontal