a boy walks from his home to a post office at a distance of 0.5km in 20 minutes .He then returns to his home in the same time of 20 minutes.Find his average speed and average velocity.
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Explanation:
प्रत्यावर्ती परिपथ के लिए सिद्ध कीजिए कि ए वाई बराबर भी आर एस आई
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Explanation:
this is the method u can do with any values u want ,same for velocity
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