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A simply supported wood beam AB with span length L= 4 m carries a uniform load of intensity q = 5.8 kN/m (see figure).
(a) Calculate the maximum bending stress σmax due to the load q if the beam has a rectangular cross section with width b = 140 mm and height h = 240 mm.
(b) Repeat (a) but use the trapezoidal distributed load shown in the figure part (b).
a 4.0 a current is set up in a circuit for 7.0 min by a rechargeable battery with a 3.0 v emf. by how much is the
Humans are able to control their heat production rate and heat loss rate to maintain a nearly constant core temperature of under a wide range of environmental conditions.
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compare the thermal efficiency of a two-stage gas turbine with regeneration reheating and intercooling to that of a
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