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In an experiment, a rectangular block with height h is allowed to float in four separate liquids. In the first liquid, which is water, it floats fully submerged. In liquids A, B, and C, it floats with heights h/2, 2h/3, and h/4 above the liquid surface, respectively. What are the relative densities (the densities relative to that of water) of?
(a) A,
(b) B, and
(c) C?
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What is the primary difference between the strength of a structure and the strength of a material? Is a strong material stiff?
A spring stiffness k= 500 n/m is mounted against a 10 kg block. if the block is subjected to a force of 1 KN determine the velocity of the block at s=0.3 m when s=0, the block is at rest and the spring is uncompressed. The coefficient of fricktion is..
a 0.3 m3 rigid tank is filled with saturated liquid water at 200degc. a valve at the bottom of the tank is opened and
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