The Hope Diamond weighs 44.5 carats, and there are 200 mg per carat. What is the mass of the Hope Diamond in kilograms?
A) 0.000890 kg
B) 0.00890 kg
C) 0.0890 kg
D) 0.890 kg
E) 8.90 kg
B
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The radius of a typical nucleus is about 5 × 10-15 m
Assuming this to be the uncertainty in the position of a proton in the nucleus, estimate the uncertainty in the proton's energy, in MeV. (mproton = 1.67 × 10-27 kg, h = 6.626 × 10-34 J ? s, 1 eV = 1.6 × 10-19 J) A) 0.8 MeV B) 1.0 MeV C) 0.6 MeV D) 0.4 MeV
Pluto was discovered by Percival Lowell in 1930
a. True b. False Indicate whether the statement is true or false
Atmospheric lifting resulting from the convergence of two different air masses is called
A) convectional lifting. B) orographic lifting. C) adiabatic lifting. D) frontal lifting.
Groupings of stars that form outlines of animals, objects, mythological people and creatures, or gods