What information does the Doppler technique give about an extrasolar planet?
A) the planet's radius
B) the planet's density
C) the planet's minimum mass
D) all of the above
C
You might also like to view...
Weight and g: A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass is 7.35 × 1022 kg, and G = 6.67 × 10-11 N ? m2/kg2. How much does the hammer weigh on Earth and on the Moon?
What will be an ideal response?
A transformer for a laptop computer converts a 120-V input to a 24-V output. Compared with the number of turns on the primary coil, the secondary has
A) 1/5 as many turns. B) 5 times as many turns. C) the same number of turns. D) none of the above
A 2.65-kg block of ice is at STP (0°C, 1 atm) while it melts completely to water. What is its change in entropy? (For ice, Lf = 3.34 × 10^5 J/kg)
a. zero b. 1 620 J/K c. 811 J/K d. 3 240 J/K e. 6 480 J/K
The wave function for a particle must be normalizable because
A) the particle's momentum must be conserved. B) the particle's angular momentum must be conserved. C) the particle's charge must be conserved. D) the particle must be somewhere. E) the particle cannot be in two places at the same time.