Middle School

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An object has a momentum of 4,000 kg·m/s and a mass of 115 kg. It crashes into another object that has a mass of 100 kg, and the two objects stick together. If the momentum is conserved, what is the new velocity of the combined object? Round to the nearest hundredth.

Answer :

Answer:

The new velocity of the combined objects in 18.60 m/s!

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Rewritten by : Barada

Answer:

Explanation:

Let assume the velocity of the second mad is 0

m1v1+m2v2=(m1+m2)vf

as v2=0 and m1v1=p1=4000kgm/s

4000=(115+100)•vf

vf=4000/215

vf=18.60m/s