ممكن أحد يوضحلي النقطة التالية (النص بالانجليزية)
On average, your speed was half your final value, and you know this because
there was constant acceleration. Your final speed was
vf = a × t = at
Okay, you can find your final speed, which means your average speed because
it went up in a straight line, was
(v> = 1⁄2 (a × t>
كيف أصبح معدل السرعة مساوي للنصف السرعة النهائية vf
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