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Date: 3-12-2020
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Date: 15-9-2020
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Date: 13-9-2020
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Velocity and Average Velocity
In 1-dimension, the average velocity was defined as displacement divided by time interval or . Similarly, in 3-dimensions average velocity is defined as
For 1-dimension, the instantaneous velocity, or just velocity, was defined as . In 3-dimensions we define velocity as
Thus velocity is a vector.
Point to note: The instantaneous velocity of a particle is always tangent to the path of the particle.
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للعاملين في الليل.. حيلة صحية تجنبكم خطر هذا النوع من العمل
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"ناسا" تحتفي برائد الفضاء السوفياتي يوري غاغارين
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ملاكات العتبة العباسية المقدسة تُنهي أعمال غسل حرم مرقد أبي الفضل العباس (عليه السلام) وفرشه
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