Taking a stab at it.
F = ma
Mass = 180 kg
acceleration = change in speed over change in time
v = 30 mph = 13.41 meter/sec
~t = 500 ms = 0.5 s
so acceleration = 13.41 m/s /5 ms = 26.28m/s^2
So the force the little scooter hit you was
F=ma
F=180kg * 26.28m/s^2
F = 4730.4 N
Is that enough to...