To find the charge stored in the capacitor at t=2s, we can use the function Q(t) that we determined before: Q(t=2s)=Q0e−tRC where...To find the charge stored in the capacitor at t=2s, we can use the function Q(t) that we determined before: Q(t=2s)=Q0e−tRC where we can determine, Q0, now that we know the capacitance. Q0 is the charge on the capacitor at time t=0, when the voltage across the capacitor is 9V: Q0=CΔV=(0.56F)(9V)=5.0C At t=2s, the charge on th…