Computers and Technology, 24.09.2020 16:01 tmcbroom9385
How does emphasis on agricultural technology today compare to the recent past?
A) Today scientists are only concerned with the nutrition of livestock, not with size or quantity.
B) Today scientists are devising ways to use advancements in positive ways for the environment.
C) In the past, scientists have not been concerned with the well-being of livestock or crops.
D) In the past, scientists were concerned with mass-producing for local areas, not for large areas.
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5.a fishing rod is formed from a composite material of 0.5 kg of glass fibers embedded in a matrix of 0.5 kg of epoxy resin. the glass fibers are assumed to be long, continuous and unidirectional. to achieve a greater stiffness it is proposed to use a different composite that is comprised of long continuous carbon fibers that will be embedded in a matrix of 0.5 kg of epoxy resin. if the modulus of elasticity of the carbon fiber composite is 10% greater than the elastic modulus of the glass fiber composite, estimate the mass of carbon fibers that will be used to make the carbon fiber composite. assume the applied tensile stress is parallel to the direction of the long axis of the fibers. the epoxy resin, glass fiber, and carbon fiber have an elastic modulus of 5, 86, and 350 gpa respectively and a density of 1100, 2500, and 1800 respectively.
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How does emphasis on agricultural technology today compare to the recent past?
A) Today scientists...
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