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# physics momentum problem help?

A 79.0 kg rider sitting on a 6.6 kg bike is riding along at 9.9 m/s in the positive direction. The rider drags a foot on the ground and slows down to 6.0 m/s still in the positive direction.

a)What is the change in momentum of the rider and bike?

b)What is the impulse delivered by the ground to the rider's foot?

c)What force is acting on the bike and rider if slowing down took 14.2 seconds?

d)And, how far did the bike and rider travel during these 14.2 seconds?

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- Anonymous1 decade agoFavorite Answer
If 9 is formal num. so take few num srom 79.0 then make it 45 into 20-4 just a few more information from my email ask me if you want more like this : heercandybunny98@yahoo.com please if you want more help problems of fact or some emergency problems in maths email me.

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