رد: لأسئلتكم عن الفيزيا ..
ممكن حل دا السؤال ؟؟؟
3. Suppose the motion of a particle is described by the equation: X = 20 + 4 t 2. Find the average velocity of the particle in the time interval t1=2 s to t2=5 s ?
a) 29 m/s b) 28 m/s c) 84 m/s d) 10 m/s
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