Consider a planet orbiting a Sun-like star that has been detected by the Doppler and that has an orbital period of one year. The larger the velocity changes measured for the star, the
A) larger the mass of the planet.
B) larger the radius of the planet.
C) smaller the mass of the planet.
D) smaller the radius of the planet.
A) larger the mass of the planet.
You might also like to view...
Second Law of Thermodynamics: Which one of the following is a true statement?
A. The second law of thermodynamics is a consequence of the first law of thermodynamics. B. It is possible for heat to flow spontaneously from a hot body to a cold one or from a cold one to a hot one, depending on whether or not the process is reversible or irreversible. C. It is not possible to convert work entirely into heat. D. It is impossible to transfer heat from a cooler to a hotter body. E. All of these statements are false.
A 100 kg football linebacker moving at 2 m/s tackles head-on an 80 kg halfback running 3 m/s. Neglecting the effects due to digging in of cleats
A) this is a simple example of an elastic collision. B) the linebacker will drive the halfback backward. C) neither player will drive the other backward. D) the halfback will drive the linebacker backward.
Most of our knowledge of stellar evolution comes from studies of ________
Fill in the blank(s) with correct word
Simple Harmonic Motion: An air-track cart is attached to a spring and completes one oscillation every 5.67 s in simple harmonic motion. At time t = 0.00 s the cart is released at the position x = +0.250 m. What is the position of the cart when t = 29.6 s?
A. x = 0.0461 m B. x = 0.210 m C. x = 0.218 m D. x = 0.342 m E. x = -0.218 m