If a star has an extrasolar planet, the wavelength of its radial velocity curve is related to the planet's
A) orbital shape
B) radius
C) mass
D) orbital period
D
Physics & Space Science
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Which of the following facilities are needed to produce a plutonium A-bomb?
A) enrichment plant B) nuclear reactor C) Both of the above. D) a fusion bomb E) All of the above.
Physics & Space Science
In vacuum, the components of an EM wave are
and 
0. What is the wavelength of the wave?
A. 5.00 m B. 0.200 m C. 1.26 m D. 2.52 m E. 0.796 m
Physics & Space Science
Water freezes at 273 on the ________ scale.
A. Kelvin B. Fahrenheit C. Rankin D. Celsius E. Vernier
Physics & Space Science
A wrench is placed at 30 cm in front of a diverging lens with a focal length of magnitude 10 cm. What is the magnification of the wrench?
A) 4.0 B) 0.67 C) -0.67 D) -0.25 E) 0.25
Physics & Space Science