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فيه سؤال ثاني تعبتك معاي
An object moves horizontally with constant acceleration . at time t=0, the object is at x=0m . what are the initial velocity and acceleration of the object at x= 1.5 m at time t=3s ?
سؤال اخر
a=2i+3j-k
b=-3i+4j+2k
? then 2A.B equals