Animação Changes in momentum Calculate force gratuita

Rabbit running but stopped by a bush that was in its way. What force is required to stop it in 4 seconds. Mass of the rabbit = 4 kG. Running 6m/s. https://www.youtube.com/watch?v=Y-QOfc2XqOk&list=PL4tJAG0oU006yz2M9BB16McLer-JsFg_Y&index=11

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