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###### In outer space rock with mass and velocity <3300, 2800 _ 2000> m/s_ struck rock with mass 15 kg and velocity <210, -270, 300> m/s_ After the collision the 9 kg rock' s velocity is <2900, -2100, 2300> m/s. What is the fina velocity of the 15 kg rock?vf450420120msWhat is the change in the internal energy of the rocks?AEinternalWhich of the following statements about Q (transfer of energy into the system because of a temperature difference between system and surroundings) are

In outer space rock with mass and velocity <3300, 2800 _ 2000> m/s_ struck rock with mass 15 kg and velocity <210, -270, 300> m/s_ After the collision the 9 kg rock' s velocity is <2900, -2100, 2300> m/s. What is the fina velocity of the 15 kg rock? vf 450 420 120 ms What is the change in the internal energy of the rocks? AEinternal Which of the following statements about Q (transfer of energy into the system because of a temperature difference between system and surroundings) are correct? (Ignore heat transfer by radiation:) Check all that apply: Q ~ 0 because there are no significant objects in the surroundings Q ~ 0 because the duration of the collision was very short. Q = AEinternal of the rocks_ Q = AK of the rocks_

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