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Physics, 22.06.2019 00:40
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (Οallow)st = 200 mpa for the steel and ( Οallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
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Physics, 22.06.2019 11:10
An isotope undergoes radioactive decay by emitting radiation that has a β1 charge. what other characteristic does the radiation have?
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Physics, 22.06.2019 13:00
Ways that industry and agriculture use physical properties to separate substances
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