一道英文版的物理题,rockets are launched from an airplane in the forward direction of motion.the kinetic energy of the airplane will bea.unchangedb.increasedc.decreased

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一道英文版的物理题,rockets are launched from an airplane in the forward direction of motion.the kinetic energy of the airplane will bea.unchangedb.increasedc.decreased
一道英文版的物理题,
rockets are launched from an airplane in the forward direction of motion.the kinetic energy of the airplane will be
a.unchanged
b.increased
c.decreased

一道英文版的物理题,rockets are launched from an airplane in the forward direction of motion.the kinetic energy of the airplane will bea.unchangedb.increasedc.decreased
有一火箭从宇宙飞船发射,发射方向与飞船运动方向相同,则宇宙飞船的动能将会:
a.不变
b.增加
c.减少
只负责翻译^_^

c

b