Asteroid 13681 Monty Python has an orbit with a semi-major axis, a, of 2.99 AU. According to Kepler's 3rd Law, what is its orbital period?
A) 2.08 years
B) 2.99 years
C) 6.34 years
D) 5.17 years
D
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The solar winds blow outward from
A) coronal holes. B) sunspots. C) flares. D) the entire photosphere. E) the Sun's poles only.
A top of rotational inertia 4.0 kg m2 receives a torque of 2.4 Nm from a physics professor. The angular acceleration of the body will be
A. 6.0 rev/s2. B. 0.6 rad/s2. C. 1.2 rev/s2. D. 1.0 rad/s2. E. 6.0 rad/s2.
GPS stands for
a. the metric system of measurement. b. grams per second. c. Global Positioning System. d. a space shuttle. e. none of the above.
A conducting rod slides at 4.0 m/s on metal rails separated by 2.0 m. If a current of 40 mA is generated in the circuit with resistance of 0.36 
what is the magnetic field between the rails?
A. 0.028 T
B. 0.11 T
C. 14 mT
D. 3.6 mT
E. 1.8 mT