A 1967 kennedy half-dollar has a mass of 1150 x 10-2 kg the
A 1967 Kennedy half-dollar has a mass of 1.150 x 10-2 kg. The coin is a mixture of silver and copper, and in water weighs 0.1012 N. Determine the mass of silver in the coin. Give your answer to two significant figures.
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a camera lens has a focal length of 500 mm and an aperture setting of 400 what is the aperture diameter of this
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a 1967 kennedy half-dollar has a mass of 1150 x 10-2 kg the coin is a mixture of silver and copper and in water weighs
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