Momentum quiz

If Sarah weighs 40 Kg and is running at 8m/s and Harry weighs 57 Kg and is running at 13 m/s what is the difference in momentum?

421

420

2.32

431

Andy is being chased by a lion. The distance between them is 81 m. Andy weighs 80 Kg and has a momentum of 720 Kgm/s. The lion weighs 215 Kg and has a momentum of 3870 Kgm/s. How long until the lion catches him?

9.2

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