The astrometric method looks for planets with careful measurements of a star's
A) position in the sky.
B) brightness.
C) velocity toward or away from us.
D) distance from Earth.
A) position in the sky.
You might also like to view...
An ac circuit has a resistance of 120
and an impedance of 200
What is the power factor for this circuit?
A. 53
B. 32
C. 0.60
D. 1.7
E. 1.3
Torque: A rigid rectangular loop, measuring 0.30 m by 0.40 m, carries a current of 5.5 A, as shown in the figure. A uniform external magnetic field of magnitude 2.9 T in the -x direction is present. Segment CD is in the xz-plane and forms a 35° angle with the z-axis, as shown. What is the magnitude of the torque that the magnetic field exerts on the loop?
A. 1.1 N ? m B. 0.73 N ? m C. 1.3 N ? m D. 1.4 N ? m E. 1.6 N ? m
If you're on a Ferris wheel at a carnival, seated 10 m from the Ferris wheel's axis that makes a complete rotation each minute, your linear speed is
A) 10 m/min. B) 31.4 m/min. C) 62.8 m/min. D) 100 m/min. E) need more information
The nucleus of an ordinary hydrogen atom consists of a(n) ______________
Fill in the blank(s) with correct word