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السلام عليكم...
![]() عندى سؤالين صعبين حد ممكن يساعدنى ف حلهم a body has aweight of 160 N when weighted in air and a weight of 120 N when totally immersed in a liquid Find relative density of the body? Water pipe inters a house at ground floor ,if its radius 5cm velocity of water is 1m/sec ,at upper floor its radius becomes 1cm What is the force acted by water?] |
العلامات المرجعية |
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