Question: In outer space a rock with mass 4 kg , and velocity < 3 6 0 0 , - 2 6 0 0 , 3

In outer space a rock with mass 4 kg, and velocity<3600,-2600,3400> m/s, struck arockwith mass 15 kg and velocity<260,-320,300> m/s. After the collision, the 4 kg rock'svelocityis<3100,-2000,3800>m/s. Part 1(a) What is the fnal velocity of the 15 kg rock?
Which of the following statements about 0(transfer of energy into the system becauseof a temperature difference between system and surroundings) are correct? (lgnoreheat transfer by radiation.) Check all that apply: Q0 because the duration of the collision was very short. Q0 because there are no signifcant objects in the surroundings. Q= AK of the rocks. Q=AEinternal of the rocks.

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