Question

Which has more momentum, a 1000 kg car moving 1 m/s or a 70 kg person sprinting at 8 m/s?

Answer 1

p = mv  

p = 1000 kg x 1 m/s = 1000 kgm/s  

p = 70kg x 8 m/s = 560 kgm/s  

1000 kg car moving at 1 m/s has more momentum.