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A small spacecraft of mass m long abandoned in outer space is moving in a straight line at 8.00m/s The spacecraft suddenly breaks into pieces. One piece of mass m/3 moves with a velocity 2.00m/s at an angle of 30.0 degrees to the original direction of motion. calculate the velocity (as a vector) of the other piece of the spacecraft,the distance separating the two pieces of spacecraft after a time of 10s ....2. The magnitude of the resultant of the resultant of vectors A= qi+ 2k and B=2i- 2j+ 3k is q. calculate the value of q.... 3.An object is moving in a straight line with velocity v=(3-4t)m/s. At what time is the object moving in the opposite direction with velocity of v =10m/s