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In outer space rock 1, with mass 3 kg and velocity < 3500, -2500, 3200 >...

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Physics

In outer space rock 1, with mass 3 kg and velocity < 3500,-2500, 3200 > m/s, struck rock 2, which was at rest. After thecollision, rock 1's velocity is < 3000, -1800, 3500 > m/s.What is the final momentum of rock 2?
2f =  

kg · m/s
Before the collision, what was the kinetic energy of rock 1?
K1i =  J
Before the collision, what was the kinetic energy of rock 2?
K2i =  J
After the collision, what is the kinetic energy of rock 1?
K1f =  J
Suppose the collision was elastic (that is, no change in kineticenergy and therefore no change in thermal or other internal energyof the rocks). In that case, after the collision, what is thekinetic energy of rock 2?
K2f =  J
On the other hand, suppose that in the collision some of thekinetic energy is converted into thermal energy of the two rocks,where Ethermal,1 +Ethermal,2 = 4.46 ⨯ 106 J. What isthe final kinetic energy of rock 2?
K2f =  J
In this case (some of the kinetic energy being converted to thermalenergy), what was the transfer of energy Q (microscopicwork) from the surroundings into the two-rock system during thecollision? (Remember that Q represents energy transfer dueto a temperature difference between a system and itssurroundings.)
Q =  J

Answer & Explanation Solved by verified expert
4.3 Ratings (816 Votes)
What is the final momentum of rock 2 use conservation of momentum m1v1i m2v2i m1v1f m2v2f 3 3500 2500 3200 0 3 3000 1800 3500 p2f so    See Answer
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