A box contains a mixture of small copper spheres and small
A box contains a mixture of small copper spheres and small lead spheres. The total volume of both metals is measured by the displacement of water to be 425 cubic centimeters, and total mass is 4.22 kg. What percentage of the spheres are copper?
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a box contains a mixture of small copper spheres and small lead spheres the total volume of both metals is measured by
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helium-neon laser light of wavelength 10045 nm is sent through a 0473 mm wide single slit what is the width of the
a light ray is traveling toward an interface between sapphire n 176 and water n 133 what is the critical angle for
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