A cyclist stops pedaling at a velocity v = 36 km/h and notices that her bike keeps moving for d = 500 m before it stops. The total mass of the bike, the biker and her camping equipment is m = 100 kg. What is the average combined force on the bicycle due to friction and drag?
a) 10 N
b) 20 N
c) 130 N
d) 260 N