यदि नदी का वेग दोगुना कर दिया जाये तो उसकी भार-वहन की शक्ति कितनी बढ जाएगी?

Asked Sep 15, 2023 Modified Sep 15, 2023 Viewed 0 times
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asked Sep 15, 2023 at 17:47
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64गुनी
answered Sep 15, 2023 at 17:47

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