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Difference between electron capture & positron emission
electron capture reaction and positron emission compete eith each othar
there is a question about fluid mechanics ( fluid at rest), it is about the archimedes principle
A piece of yellow pine wood (density = 650 kg/m3 ) is 5 cm by 5 cm square and 2.2 m long. How many Newtons (N) of lead (density = 11,400 kg/m3 ) shou...