A planet is detected via the Doppler technique. The velocity change of the star is a measure of
A) the planet's size and density.
B) the planet's mass and orbital distance.
C) the planet's mass and composition.
D) the planet's orbital period and eccentricity.
E) the planet's size and orbital distance.
B
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A curved mirror that cannot produce a real image of an object is ________.
Fill in the blank(s) with the appropriate word(s).
The position of an air-track cart that is oscillating on a spring is given by the equation x = (12.4 cm) cos[(6.35 s-1)t]. At what value of t after t = 0.00 s is the cart first located at x = 8.47 cm?
A) 7.39 s B) 7.75 s C) 4.34 s D) 0.108 s E) 0.129 s
2-Bromobutane and 4-bromobutane are
a. the same compound. b. neither isomers nor the same compound. c. isomers.
When the parallax angle of a star is measured to be 0.002", the distance to the star is ________ light-years
Fill in the blank(s) with correct word