two astronauts both with a mass of 70 kg are moving along a straight line in the same direction in a weightless spaceship relative to the spaceship the speed of a is 2 and that of b is 1 a is carrying a bag of mass 7kg with him to avoid aollision with b a throws the bag with a speed relative to a towards b and b cataches it. Find the minimum value7,8 m/s14,0 m/s26 m/s9,2 m/s
